Finding the Fourth Proportional to 131,680.82, 181,719.02 and 71,251.58

Step by Step Solution

1. Step 1: Write the proportion equation
   131,680.82 : 181,719.02 = 71,251.58 : x
2. Step 2: Convert to fraction form
   131,680.82/181,719.02 = 71,251.58/x
3. Step 3: Cross multiply
   131,680.82x = 181,719.02 × 71,251.58
4. Step 4: Simplify right side
   131,680.82x = 12,947,766,026.20
5. Step 5: Solve for x
   x = 12,947,766,026.20/131,680.82
6. Step 6: Final answer
   x = 98,326.90