Finding the Fourth Proportional to 131,570.37, 181,567.10 and 71,141

Step by Step Solution

1. Step 1: Write the proportion equation
   131,570.37 : 181,567.10 = 71,141 : x
2. Step 2: Convert to fraction form
   131,570.37/181,567.10 = 71,141/x
3. Step 3: Cross multiply
   131,570.37x = 181,567.10 × 71,141
4. Step 4: Simplify right side
   131,570.37x = 12,916,865,061.10
5. Step 5: Solve for x
   x = 12,916,865,061.10/131,570.37
6. Step 6: Final answer
   x = 98,174.57