Finding the Fourth Proportional to 71,002.38, 97,983.88 and 39,173.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,002.38 : 97,983.88 = 39,173.42 : x
2. Step 2: Convert to fraction form
   71,002.38/97,983.88 = 39,173.42/x
3. Step 3: Cross multiply
   71,002.38x = 97,983.88 × 39,173.42
4. Step 4: Simplify right side
   71,002.38x = 3,838,363,684.47
5. Step 5: Solve for x
   x = 3,838,363,684.47/71,002.38
6. Step 6: Final answer
   x = 54,059.65