Finding the Fourth Proportional to 71,793.96, 99,073.98 and 39,962.22

Step by Step Solution

1. Step 1: Write the proportion equation
   71,793.96 : 99,073.98 = 39,962.22 : x
2. Step 2: Convert to fraction form
   71,793.96/99,073.98 = 39,962.22/x
3. Step 3: Cross multiply
   71,793.96x = 99,073.98 × 39,962.22
4. Step 4: Simplify right side
   71,793.96x = 3,959,216,185.04
5. Step 5: Solve for x
   x = 3,959,216,185.04/71,793.96
6. Step 6: Final answer
   x = 55,146.93