Finding the Fourth Proportional to 142,197.39, 196,270.20 and 88,451.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,197.39 : 196,270.20 = 88,451.82 : x
2. Step 2: Convert to fraction form
   142,197.39/196,270.20 = 88,451.82/x
3. Step 3: Cross multiply
   142,197.39x = 196,270.20 × 88,451.82
4. Step 4: Simplify right side
   142,197.39x = 17,360,456,401.76
5. Step 5: Solve for x
   x = 17,360,456,401.76/142,197.39
6. Step 6: Final answer
   x = 122,087.03