Finding the Fourth Proportional to 123,988.28, 171,104.82 and 67,399.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,988.28 : 171,104.82 = 67,399.52 : x
2. Step 2: Convert to fraction form
   123,988.28/171,104.82 = 67,399.52/x
3. Step 3: Cross multiply
   123,988.28x = 171,104.82 × 67,399.52
4. Step 4: Simplify right side
   123,988.28x = 11,532,382,737.69
5. Step 5: Solve for x
   x = 11,532,382,737.69/123,988.28
6. Step 6: Final answer
   x = 93,011.88