Finding the Fourth Proportional to 71,081.32, 98,092.22 and 39,250.28

Step by Step Solution

1. Step 1: Write the proportion equation
   71,081.32 : 98,092.22 = 39,250.28 : x
2. Step 2: Convert to fraction form
   71,081.32/98,092.22 = 39,250.28/x
3. Step 3: Cross multiply
   71,081.32x = 98,092.22 × 39,250.28
4. Step 4: Simplify right side
   71,081.32x = 3,850,147,100.82
5. Step 5: Solve for x
   x = 3,850,147,100.82/71,081.32
6. Step 6: Final answer
   x = 54,165.39