Finding the Fourth Proportional to 71,452.50, 98,605.82 and 39,185.09

Step by Step Solution

1. Step 1: Write the proportion equation
   71,452.50 : 98,605.82 = 39,185.09 : x
2. Step 2: Convert to fraction form
   71,452.50/98,605.82 = 39,185.09/x
3. Step 3: Cross multiply
   71,452.50x = 98,605.82 × 39,185.09
4. Step 4: Simplify right side
   71,452.50x = 3,863,877,242.27
5. Step 5: Solve for x
   x = 3,863,877,242.27/71,452.50
6. Step 6: Final answer
   x = 54,076.17