Finding the Fourth Proportional to 142,024.24, 196,064.47 and 88,326.56

Step by Step Solution

1. Step 1: Write the proportion equation
   142,024.24 : 196,064.47 = 88,326.56 : x
2. Step 2: Convert to fraction form
   142,024.24/196,064.47 = 88,326.56/x
3. Step 3: Cross multiply
   142,024.24x = 196,064.47 × 88,326.56
4. Step 4: Simplify right side
   142,024.24x = 17,317,700,173.32
5. Step 5: Solve for x
   x = 17,317,700,173.32/142,024.24
6. Step 6: Final answer
   x = 121,934.82