Finding the Fourth Proportional to 142,447.62, 196,616.58 and 88,700.88

Step by Step Solution

1. Step 1: Write the proportion equation
   142,447.62 : 196,616.58 = 88,700.88 : x
2. Step 2: Convert to fraction form
   142,447.62/196,616.58 = 88,700.88/x
3. Step 3: Cross multiply
   142,447.62x = 196,616.58 × 88,700.88
4. Step 4: Simplify right side
   142,447.62x = 17,440,063,668.59
5. Step 5: Solve for x
   x = 17,440,063,668.59/142,447.62
6. Step 6: Final answer
   x = 122,431.41