Finding the Fourth Proportional to 83,670,606.10, 125,505,909.15 and 83,670,606.10

Step by Step Solution

1. Step 1: Write the proportion equation
   83,670,606.10 : 125,505,909.15 = 83,670,606.10 : x
2. Step 2: Convert to fraction form
   83,670,606.10/125,505,909.15 = 83,670,606.10/x
3. Step 3: Cross multiply
   83,670,606.10x = 125,505,909.15 × 83,670,606.10
4. Step 4: Simplify right side
   83,670,606.10x = 10,501,155,487,712,036
5. Step 5: Solve for x
   x = 10,501,155,487,712,036/83,670,606.10
6. Step 6: Final answer
   x = 125,505,909.15