Finding the Fourth Proportional to 71,242.37, 98,317.37 and 39,410.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,242.37 : 98,317.37 = 39,410.72 : x
2. Step 2: Convert to fraction form
   71,242.37/98,317.37 = 39,410.72/x
3. Step 3: Cross multiply
   71,242.37x = 98,317.37 × 39,410.72
4. Step 4: Simplify right side
   71,242.37x = 3,874,758,143.15
5. Step 5: Solve for x
   x = 3,874,758,143.15/71,242.37
6. Step 6: Final answer
   x = 54,388.39