Finding the Fourth Proportional to 131,683.72, 181,722.22 and 71,253.04

Step by Step Solution

1. Step 1: Write the proportion equation
   131,683.72 : 181,722.22 = 71,253.04 : x
2. Step 2: Convert to fraction form
   131,683.72/181,722.22 = 71,253.04/x
3. Step 3: Cross multiply
   131,683.72x = 181,722.22 × 71,253.04
4. Step 4: Simplify right side
   131,683.72x = 12,948,260,610.55
5. Step 5: Solve for x
   x = 12,948,260,610.55/131,683.72
6. Step 6: Final answer
   x = 98,328.48