Finding the Fourth Proportional to 71,871.50, 99,174.07 and 41,243.02

Step by Step Solution

1. Step 1: Write the proportion equation
   71,871.50 : 99,174.07 = 41,243.02 : x
2. Step 2: Convert to fraction form
   71,871.50/99,174.07 = 41,243.02/x
3. Step 3: Cross multiply
   71,871.50x = 99,174.07 × 41,243.02
4. Step 4: Simplify right side
   71,871.50x = 4,090,238,513.96
5. Step 5: Solve for x
   x = 4,090,238,513.96/71,871.50
6. Step 6: Final answer
   x = 56,910.44