Finding the Fourth Proportional to 141,708.72, 195,543.56 and 87,252.24

Step by Step Solution

1. Step 1: Write the proportion equation
   141,708.72 : 195,543.56 = 87,252.24 : x
2. Step 2: Convert to fraction form
   141,708.72/195,543.56 = 87,252.24/x
3. Step 3: Cross multiply
   141,708.72x = 195,543.56 × 87,252.24
4. Step 4: Simplify right side
   141,708.72x = 17,061,613,845.71
5. Step 5: Solve for x
   x = 17,061,613,845.71/141,708.72
6. Step 6: Final answer
   x = 120,399.18