Finding the Fourth Proportional to 142,452.24, 213,561.24 and 83,141.52

Step by Step Solution

1. Step 1: Write the proportion equation
   142,452.24 : 213,561.24 = 83,141.52 : x
2. Step 2: Convert to fraction form
   142,452.24/213,561.24 = 83,141.52/x
3. Step 3: Cross multiply
   142,452.24x = 213,561.24 × 83,141.52
4. Step 4: Simplify right side
   142,452.24x = 17,755,806,106.68
5. Step 5: Solve for x
   x = 17,755,806,106.68/142,452.24
6. Step 6: Final answer
   x = 124,643.92