Finding the Fourth Proportional to 131,876.10, 181,988.76 and 71,448.27

Step by Step Solution

1. Step 1: Write the proportion equation
   131,876.10 : 181,988.76 = 71,448.27 : x
2. Step 2: Convert to fraction form
   131,876.10/181,988.76 = 71,448.27/x
3. Step 3: Cross multiply
   131,876.10x = 181,988.76 × 71,448.27
4. Step 4: Simplify right side
   131,876.10x = 13,002,782,061.45
5. Step 5: Solve for x
   x = 13,002,782,061.45/131,876.10
6. Step 6: Final answer
   x = 98,598.47