Finding the Fourth Proportional to 124,752.72, 172,158.78 and 67,392.04

Step by Step Solution

1. Step 1: Write the proportion equation
   124,752.72 : 172,158.78 = 67,392.04 : x
2. Step 2: Convert to fraction form
   124,752.72/172,158.78 = 67,392.04/x
3. Step 3: Cross multiply
   124,752.72x = 172,158.78 × 67,392.04
4. Step 4: Simplify right side
   124,752.72x = 11,602,131,388.11
5. Step 5: Solve for x
   x = 11,602,131,388.11/124,752.72
6. Step 6: Final answer
   x = 93,001.03