Finding the Fourth Proportional to 131,766.62, 181,839.35 and 71,338.52

Step by Step Solution

1. Step 1: Write the proportion equation
   131,766.62 : 181,839.35 = 71,338.52 : x
2. Step 2: Convert to fraction form
   131,766.62/181,839.35 = 71,338.52/x
3. Step 3: Cross multiply
   131,766.62x = 181,839.35 × 71,338.52
4. Step 4: Simplify right side
   131,766.62x = 12,972,150,739.71
5. Step 5: Solve for x
   x = 12,972,150,739.71/131,766.62
6. Step 6: Final answer
   x = 98,447.93