What is the land area of the state in which A. O. Whitington, was a businessman and sportsman ?  
A. O. Whitington: Arthur Onslow Whitington (1858 – 14 May 1919), generally known as A. O. Whitington or simply "A.O.", was a businessman and sportsman in South Australia, the highly regarded founding secretary of the revived South Australian Jockey Club, serving from 1888 to 1919. South Australia:  With a total land area of 983482 km2 , it is the fourth-largest of Australia's states and territories.
983482 km2