Finding the Fourth Proportional to 87,675,065.10, 123,013,829.70 and 87,675,065.10

Step by Step Solution

1. Step 1: Write the proportion equation
   87,675,065.10 : 123,013,829.70 = 87,675,065.10 : x
2. Step 2: Convert to fraction form
   87,675,065.10/123,013,829.70 = 87,675,065.10/x
3. Step 3: Cross multiply
   87,675,065.10x = 123,013,829.70 × 87,675,065.10
4. Step 4: Simplify right side
   87,675,065.10x = 10,785,245,527,147,812
5. Step 5: Solve for x
   x = 10,785,245,527,147,812/87,675,065.10
6. Step 6: Final answer
   x = 123,013,829.70