Finding the Fourth Proportional to 131,841.07, 181,940.78 and 71,411.83

Step by Step Solution

1. Step 1: Write the proportion equation
   131,841.07 : 181,940.78 = 71,411.83 : x
2. Step 2: Convert to fraction form
   131,841.07/181,940.78 = 71,411.83/x
3. Step 3: Cross multiply
   131,841.07x = 181,940.78 × 71,411.83
4. Step 4: Simplify right side
   131,841.07x = 12,992,723,775.11
5. Step 5: Solve for x
   x = 12,992,723,775.11/131,841.07
6. Step 6: Final answer
   x = 98,548.38