Finding the Fourth Proportional to 123,938.68, 171,036.42 and 67,350.04

Step by Step Solution

1. Step 1: Write the proportion equation
   123,938.68 : 171,036.42 = 67,350.04 : x
2. Step 2: Convert to fraction form
   123,938.68/171,036.42 = 67,350.04/x
3. Step 3: Cross multiply
   123,938.68x = 171,036.42 × 67,350.04
4. Step 4: Simplify right side
   123,938.68x = 11,519,309,728.46
5. Step 5: Solve for x
   x = 11,519,309,728.46/123,938.68
6. Step 6: Final answer
   x = 92,943.62