Riding a quarter of strong Macintosh sales, Apple Computer reported Oct. 18 that its fourth-quarter revenue grew 31 percent compared to the same period last year. The computer maker reported revenue of USD 4.84 billion compared with USD 3.68 billion in 2005. The company said this year’s quarterly net profit in the fourth quarter stood at USD 546 million or 62 cents a share, compared with a profit of USD 430 million or 50 cents a share last year. Overall, profit increased about 27 percent compared to last year. The 2006 fourth quarter ended on Sept. 30.