Finding the Fourth Proportional to 131,815.16, 181,904.01 and 71,384.42

Step by Step Solution

1. Step 1: Write the proportion equation
   131,815.16 : 181,904.01 = 71,384.42 : x
2. Step 2: Convert to fraction form
   131,815.16/181,904.01 = 71,384.42/x
3. Step 3: Cross multiply
   131,815.16x = 181,904.01 × 71,384.42
4. Step 4: Simplify right side
   131,815.16x = 12,985,112,704.28
5. Step 5: Solve for x
   x = 12,985,112,704.28/131,815.16
6. Step 6: Final answer
   x = 98,510.01