Finding the Fourth Proportional to 123,939.43, 171,037.46 and 67,350.79

Step by Step Solution

1. Step 1: Write the proportion equation
   123,939.43 : 171,037.46 = 67,350.79 : x
2. Step 2: Convert to fraction form
   123,939.43/171,037.46 = 67,350.79/x
3. Step 3: Cross multiply
   123,939.43x = 171,037.46 × 67,350.79
4. Step 4: Simplify right side
   123,939.43x = 11,519,508,050.59
5. Step 5: Solve for x
   x = 11,519,508,050.59/123,939.43
6. Step 6: Final answer
   x = 92,944.66