Finding the Fourth Proportional to 123,942.73, 171,042.05 and 67,354.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,942.73 : 171,042.05 = 67,354.10 : x
2. Step 2: Convert to fraction form
   123,942.73/171,042.05 = 67,354.10/x
3. Step 3: Cross multiply
   123,942.73x = 171,042.05 × 67,354.10
4. Step 4: Simplify right side
   123,942.73x = 11,520,383,339.91
5. Step 5: Solve for x
   x = 11,520,383,339.91/123,942.73
6. Step 6: Final answer
   x = 92,949.25