Finding the Fourth Proportional to 131,815.22, 181,904.04 and 71,384.47

Step by Step Solution

1. Step 1: Write the proportion equation
   131,815.22 : 181,904.04 = 71,384.47 : x
2. Step 2: Convert to fraction form
   131,815.22/181,904.04 = 71,384.47/x
3. Step 3: Cross multiply
   131,815.22x = 181,904.04 × 71,384.47
4. Step 4: Simplify right side
   131,815.22x = 12,985,123,031.50
5. Step 5: Solve for x
   x = 12,985,123,031.50/131,815.22
6. Step 6: Final answer
   x = 98,510.05