Finding the Fourth Proportional to 142,456.46, 196,650.45 and 88,768.04

Step by Step Solution

1. Step 1: Write the proportion equation
   142,456.46 : 196,650.45 = 88,768.04 : x
2. Step 2: Convert to fraction form
   142,456.46/196,650.45 = 88,768.04/x
3. Step 3: Cross multiply
   142,456.46x = 196,650.45 × 88,768.04
4. Step 4: Simplify right side
   142,456.46x = 17,456,274,028.37
5. Step 5: Solve for x
   x = 17,456,274,028.37/142,456.46
6. Step 6: Final answer
   x = 122,537.61