Finding the Fourth Proportional to 131,766.27, 181,837.77 and 71,337.57

Step by Step Solution

1. Step 1: Write the proportion equation
   131,766.27 : 181,837.77 = 71,337.57 : x
2. Step 2: Convert to fraction form
   131,766.27/181,837.77 = 71,337.57/x
3. Step 3: Cross multiply
   131,766.27x = 181,837.77 × 71,337.57
4. Step 4: Simplify right side
   131,766.27x = 12,971,864,646.02
5. Step 5: Solve for x
   x = 12,971,864,646.02/131,766.27
6. Step 6: Final answer
   x = 98,446.02