The Kangaroos got their first win of the tournament with an aggressive batting by Aaron Finch and David Warner while Bangladesh was at the receiving end.
The unstoppable Kangaroos proved their supremacy over the hosts South Africa while beating them all ends up in the final Test and the three match series.
The Proteas were heading towards a defeat at their home ground as the Kangaroos bowlers became unplayable in both innings and the visitors anticipate a win.
The fast bowling trio of the Kangaroos, Mitchell Johnson, Ryan Harris and James Pattinson destroyed the batting of the Proteas who are at the receiving end.
David Warner continued with his brilliant form whereas Michael Clarke and Steven Smith consolidated the position of the visitors with their unbeaten fifties.
The Proteas came back in the series by demolishing the strong batting line up of the Kangaroos twice within four days and clinched the encounter comfortably.
Hashim Amla got back to his form with a commendable innings whereas Vernon Philander and Morne Morkel penetrated through the Australian batting line up.
Brilliant tons from the man in form, AB de Villiers and the middle order batsman, Jean-Paul Duminy lifted their side whereas the home bowlers put them on top.