Finding the Fourth Proportional to 131,776.92, 181,851.89 and 71,347.61

Step by Step Solution

1. Step 1: Write the proportion equation
   131,776.92 : 181,851.89 = 71,347.61 : x
2. Step 2: Convert to fraction form
   131,776.92/181,851.89 = 71,347.61/x
3. Step 3: Cross multiply
   131,776.92x = 181,851.89 × 71,347.61
4. Step 4: Simplify right side
   131,776.92x = 12,974,697,823.37
5. Step 5: Solve for x
   x = 12,974,697,823.37/131,776.92
6. Step 6: Final answer
   x = 98,459.56