Finding the Fourth Proportional to 87,672,240.10, 123,009,874.70 and 87,672,240.10

Step by Step Solution

1. Step 1: Write the proportion equation
   87,672,240.10 : 123,009,874.70 = 87,672,240.10 : x
2. Step 2: Convert to fraction form
   87,672,240.10/123,009,874.70 = 87,672,240.10/x
3. Step 3: Cross multiply
   87,672,240.10x = 123,009,874.70 × 87,672,240.10
4. Step 4: Simplify right side
   87,672,240.10x = 10,784,551,269,369,314
5. Step 5: Solve for x
   x = 10,784,551,269,369,314/87,672,240.10
6. Step 6: Final answer
   x = 123,009,874.70