Finding the Fourth Proportional to 992,789,116.12, 1,487,246,345.10 and 773,412,264.04

Step by Step Solution

1. Step 1: Write the proportion equation
   992,789,116.12 : 1,487,246,345.10 = 773,412,264.04 : x
2. Step 2: Convert to fraction form
   992,789,116.12/1,487,246,345.10 = 773,412,264.04/x
3. Step 3: Cross multiply
   992,789,116.12x = 1,487,246,345.10 × 773,412,264.04
4. Step 4: Simplify right side
   992,789,116.12x = 1,150,254,562,949,006,080
5. Step 5: Solve for x
   x = 1,150,254,562,949,006,080/992,789,116.12
6. Step 6: Final answer
   x = 1,158,609,159.06