Finding the Fourth Proportional to 100,927,145.52, 139,279,521.83 and 54,517,419.95

Step by Step Solution

1. Step 1: Write the proportion equation
   100,927,145.52 : 139,279,521.83 = 54,517,419.95 : x
2. Step 2: Convert to fraction form
   100,927,145.52/139,279,521.83 = 54,517,419.95/x
3. Step 3: Cross multiply
   100,927,145.52x = 139,279,521.83 × 54,517,419.95
4. Step 4: Simplify right side
   100,927,145.52x = 7,593,160,181,072,317
5. Step 5: Solve for x
   x = 7,593,160,181,072,317/100,927,145.52
6. Step 6: Final answer
   x = 75,234,072.48