Finding the Fourth Proportional to 124,002.56, 171,124.79 and 67,415.15

Step by Step Solution

1. Step 1: Write the proportion equation
   124,002.56 : 171,124.79 = 67,415.15 : x
2. Step 2: Convert to fraction form
   124,002.56/171,124.79 = 67,415.15/x
3. Step 3: Cross multiply
   124,002.56x = 171,124.79 × 67,415.15
4. Step 4: Simplify right side
   124,002.56x = 11,536,403,477.30
5. Step 5: Solve for x
   x = 11,536,403,477.30/124,002.56
6. Step 6: Final answer
   x = 93,033.59