Finding the Fourth Proportional to 123,986.28, 171,102.06 and 67,397.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,986.28 : 171,102.06 = 67,397.52 : x
2. Step 2: Convert to fraction form
   123,986.28/171,102.06 = 67,397.52/x
3. Step 3: Cross multiply
   123,986.28x = 171,102.06 × 67,397.52
4. Step 4: Simplify right side
   123,986.28x = 11,531,854,510.89
5. Step 5: Solve for x
   x = 11,531,854,510.89/123,986.28
6. Step 6: Final answer
   x = 93,009.12