Finding the Fourth Proportional to 127,415,096.56, 175,847,760.84 and 72,419,219.92

Step by Step Solution

1. Step 1: Write the proportion equation
   127,415,096.56 : 175,847,760.84 = 72,419,219.92 : x
2. Step 2: Convert to fraction form
   127,415,096.56/175,847,760.84 = 72,419,219.92/x
3. Step 3: Cross multiply
   127,415,096.56x = 175,847,760.84 × 72,419,219.92
4. Step 4: Simplify right side
   127,415,096.56x = 12,734,757,664,711,524
5. Step 5: Solve for x
   x = 12,734,757,664,711,524/127,415,096.56
6. Step 6: Final answer
   x = 99,947,007.92