Finding the Fourth Proportional to 123,942.52, 171,042.04 and 67,353.90

Step by Step Solution

1. Step 1: Write the proportion equation
   123,942.52 : 171,042.04 = 67,353.90 : x
2. Step 2: Convert to fraction form
   123,942.52/171,042.04 = 67,353.90/x
3. Step 3: Cross multiply
   123,942.52x = 171,042.04 × 67,353.90
4. Step 4: Simplify right side
   123,942.52x = 11,520,347,900.74
5. Step 5: Solve for x
   x = 11,520,347,900.74/123,942.52
6. Step 6: Final answer
   x = 92,949.12