Finding the Fourth Proportional to 123,974.48, 171,085.02 and 67,385.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,974.48 : 171,085.02 = 67,385.72 : x
2. Step 2: Convert to fraction form
   123,974.48/171,085.02 = 67,385.72/x
3. Step 3: Cross multiply
   123,974.48x = 171,085.02 × 67,385.72
4. Step 4: Simplify right side
   123,974.48x = 11,528,687,253.91
5. Step 5: Solve for x
   x = 11,528,687,253.91/123,974.48
6. Step 6: Final answer
   x = 92,992.42