Finding the Fourth Proportional to 142,443.97, 196,442.62 and 122,294.41

Step by Step Solution

1. Step 1: Write the proportion equation
   142,443.97 : 196,442.62 = 122,294.41 : x
2. Step 2: Convert to fraction form
   142,443.97/196,442.62 = 122,294.41/x
3. Step 3: Cross multiply
   142,443.97x = 196,442.62 × 122,294.41
4. Step 4: Simplify right side
   142,443.97x = 24,023,834,311.75
5. Step 5: Solve for x
   x = 24,023,834,311.75/142,443.97
6. Step 6: Final answer
   x = 168,654.62