Finding the Fourth Proportional to 72,059.52, 99,440.27 and 39,796.49

Step by Step Solution

1. Step 1: Write the proportion equation
   72,059.52 : 99,440.27 = 39,796.49 : x
2. Step 2: Convert to fraction form
   72,059.52/99,440.27 = 39,796.49/x
3. Step 3: Cross multiply
   72,059.52x = 99,440.27 × 39,796.49
4. Step 4: Simplify right side
   72,059.52x = 3,957,373,685.80
5. Step 5: Solve for x
   x = 3,957,373,685.80/72,059.52
6. Step 6: Final answer
   x = 54,918.12