Finding the Fourth Proportional to 131,647.33, 181,672.77 and 71,217.83

Step by Step Solution

1. Step 1: Write the proportion equation
   131,647.33 : 181,672.77 = 71,217.83 : x
2. Step 2: Convert to fraction form
   131,647.33/181,672.77 = 71,217.83/x
3. Step 3: Cross multiply
   131,647.33x = 181,672.77 × 71,217.83
4. Step 4: Simplify right side
   131,647.33x = 12,938,340,449.49
5. Step 5: Solve for x
   x = 12,938,340,449.49/131,647.33
6. Step 6: Final answer
   x = 98,280.31