Finding the Fourth Proportional to 71,086.76, 98,099.76 and 39,257.82

Step by Step Solution

1. Step 1: Write the proportion equation
   71,086.76 : 98,099.76 = 39,257.82 : x
2. Step 2: Convert to fraction form
   71,086.76/98,099.76 = 39,257.82/x
3. Step 3: Cross multiply
   71,086.76x = 98,099.76 × 39,257.82
4. Step 4: Simplify right side
   71,086.76x = 3,851,182,720.12
5. Step 5: Solve for x
   x = 3,851,182,720.12/71,086.76
6. Step 6: Final answer
   x = 54,175.81