Finding the Fourth Proportional to 131,801.97, 181,886.37 and 71,372.61

Step by Step Solution

1. Step 1: Write the proportion equation
   131,801.97 : 181,886.37 = 71,372.61 : x
2. Step 2: Convert to fraction form
   131,801.97/181,886.37 = 71,372.61/x
3. Step 3: Cross multiply
   131,801.97x = 181,886.37 × 71,372.61
4. Step 4: Simplify right side
   131,801.97x = 12,981,704,950.33
5. Step 5: Solve for x
   x = 12,981,704,950.33/131,801.97
6. Step 6: Final answer
   x = 98,494.01