Finding the Fourth Proportional to 100,926,182.43, 139,278,187.73 and 54,516,436.61

Step by Step Solution

1. Step 1: Write the proportion equation
   100,926,182.43 : 139,278,187.73 = 54,516,436.61 : x
2. Step 2: Convert to fraction form
   100,926,182.43/139,278,187.73 = 54,516,436.61/x
3. Step 3: Cross multiply
   100,926,182.43x = 139,278,187.73 × 54,516,436.61
4. Step 4: Simplify right side
   100,926,182.43x = 7,592,950,491,978,124
5. Step 5: Solve for x
   x = 7,592,950,491,978,124/100,926,182.43
6. Step 6: Final answer
   x = 75,232,712.75