Finding the Fourth Proportional to 10,123,066.26, 13,969,831.32 and 5,539,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123,066.26 : 13,969,831.32 = 5,539,387.50 : x
2. Step 2: Convert to fraction form
   10,123,066.26/13,969,831.32 = 5,539,387.50/x
3. Step 3: Cross multiply
   10,123,066.26x = 13,969,831.32 × 5,539,387.50
4. Step 4: Simplify right side
   10,123,066.26x = 77,384,308,991,116.50
5. Step 5: Solve for x
   x = 77,384,308,991,116.50/10,123,066.26
6. Step 6: Final answer
   x = 7,644,354.68