Finding the Fourth Proportional to 123,743.78, 170,766.33 and 67,155.02

Step by Step Solution

1. Step 1: Write the proportion equation
   123,743.78 : 170,766.33 = 67,155.02 : x
2. Step 2: Convert to fraction form
   123,743.78/170,766.33 = 67,155.02/x
3. Step 3: Cross multiply
   123,743.78x = 170,766.33 × 67,155.02
4. Step 4: Simplify right side
   123,743.78x = 11,467,816,306.48
5. Step 5: Solve for x
   x = 11,467,816,306.48/123,743.78
6. Step 6: Final answer
   x = 92,673.88