Finding the Fourth Proportional to 124,624.94, 172,002.15 and 79,255.62

Step by Step Solution

1. Step 1: Write the proportion equation
   124,624.94 : 172,002.15 = 79,255.62 : x
2. Step 2: Convert to fraction form
   124,624.94/172,002.15 = 79,255.62/x
3. Step 3: Cross multiply
   124,624.94x = 172,002.15 × 79,255.62
4. Step 4: Simplify right side
   124,624.94x = 13,632,137,039.58
5. Step 5: Solve for x
   x = 13,632,137,039.58/124,624.94
6. Step 6: Final answer
   x = 109,385.31