Finding the Fourth Proportional to 708,588,116.10, 1,060,968,986.55 and 708,588,116.10

Step by Step Solution

1. Step 1: Write the proportion equation
   708,588,116.10 : 1,060,968,986.55 = 708,588,116.10 : x
2. Step 2: Convert to fraction form
   708,588,116.10/1,060,968,986.55 = 708,588,116.10/x
3. Step 3: Cross multiply
   708,588,116.10x = 1,060,968,986.55 × 708,588,116.10
4. Step 4: Simplify right side
   708,588,116.10x = 751,790,015,419,990,784
5. Step 5: Solve for x
   x = 751,790,015,419,990,784/708,588,116.10
6. Step 6: Final answer
   x = 1,060,968,986.55