Finding the Fourth Proportional to 124,375.27, 171,584.67 and 81,279.97

Step by Step Solution

1. Step 1: Write the proportion equation
   124,375.27 : 171,584.67 = 81,279.97 : x
2. Step 2: Convert to fraction form
   124,375.27/171,584.67 = 81,279.97/x
3. Step 3: Cross multiply
   124,375.27x = 171,584.67 × 81,279.97
4. Step 4: Simplify right side
   124,375.27x = 13,946,396,401.10
5. Step 5: Solve for x
   x = 13,946,396,401.10/124,375.27
6. Step 6: Final answer
   x = 112,131.59