Finding the Fourth Proportional to 131,800.41, 181,885.42 and 71,371.05

Step by Step Solution

1. Step 1: Write the proportion equation
   131,800.41 : 181,885.42 = 71,371.05 : x
2. Step 2: Convert to fraction form
   131,800.41/181,885.42 = 71,371.05/x
3. Step 3: Cross multiply
   131,800.41x = 181,885.42 × 71,371.05
4. Step 4: Simplify right side
   131,800.41x = 12,981,353,405.09
5. Step 5: Solve for x
   x = 12,981,353,405.09/131,800.41
6. Step 6: Final answer
   x = 98,492.51