Finding the Fourth Proportional to 72,308.94, 108,452.70 and 42,337.02

Step by Step Solution

1. Step 1: Write the proportion equation
   72,308.94 : 108,452.70 = 42,337.02 : x
2. Step 2: Convert to fraction form
   72,308.94/108,452.70 = 42,337.02/x
3. Step 3: Cross multiply
   72,308.94x = 108,452.70 × 42,337.02
4. Step 4: Simplify right side
   72,308.94x = 4,591,564,128.95
5. Step 5: Solve for x
   x = 4,591,564,128.95/72,308.94
6. Step 6: Final answer
   x = 63,499.26