Finding the Fourth Proportional to 124,269.20, 171,491.72 and 67,680.88

Step by Step Solution

1. Step 1: Write the proportion equation
   124,269.20 : 171,491.72 = 67,680.88 : x
2. Step 2: Convert to fraction form
   124,269.20/171,491.72 = 67,680.88/x
3. Step 3: Cross multiply
   124,269.20x = 171,491.72 × 67,680.88
4. Step 4: Simplify right side
   124,269.20x = 11,606,710,522.31
5. Step 5: Solve for x
   x = 11,606,710,522.31/124,269.20
6. Step 6: Final answer
   x = 93,399.74