Finding the Fourth Proportional to 127,415,100.56, 175,847,766.36 and 72,419,223.92

Step by Step Solution

1. Step 1: Write the proportion equation
   127,415,100.56 : 175,847,766.36 = 72,419,223.92 : x
2. Step 2: Convert to fraction form
   127,415,100.56/175,847,766.36 = 72,419,223.92/x
3. Step 3: Cross multiply
   127,415,100.56x = 175,847,766.36 × 72,419,223.92
4. Step 4: Simplify right side
   127,415,100.56x = 12,734,758,767,856,684
5. Step 5: Solve for x
   x = 12,734,758,767,856,684/127,415,100.56
6. Step 6: Final answer
   x = 99,947,013.44