Finding the Fourth Proportional to 87,695,979.10, 123,043,109.30 and 87,695,979.10

Step by Step Solution

1. Step 1: Write the proportion equation
   87,695,979.10 : 123,043,109.30 = 87,695,979.10 : x
2. Step 2: Convert to fraction form
   87,695,979.10/123,043,109.30 = 87,695,979.10/x
3. Step 3: Cross multiply
   87,695,979.10x = 123,043,109.30 × 87,695,979.10
4. Step 4: Simplify right side
   87,695,979.10x = 10,790,385,941,571,814
5. Step 5: Solve for x
   x = 10,790,385,941,571,814/87,695,979.10
6. Step 6: Final answer
   x = 123,043,109.30