Finding the Fourth Proportional to 71,003.37, 97,985.25 and 39,174.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,003.37 : 97,985.25 = 39,174.42 : x
2. Step 2: Convert to fraction form
   71,003.37/97,985.25 = 39,174.42/x
3. Step 3: Cross multiply
   71,003.37x = 97,985.25 × 39,174.42
4. Step 4: Simplify right side
   71,003.37x = 3,838,515,337.31
5. Step 5: Solve for x
   x = 3,838,515,337.31/71,003.37
6. Step 6: Final answer
   x = 54,061.03