Finding the Fourth Proportional to 124,269.12, 171,491.58 and 67,680.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,269.12 : 171,491.58 = 67,680.72 : x
2. Step 2: Convert to fraction form
   124,269.12/171,491.58 = 67,680.72/x
3. Step 3: Cross multiply
   124,269.12x = 171,491.58 × 67,680.72
4. Step 4: Simplify right side
   124,269.12x = 11,606,673,608.34
5. Step 5: Solve for x
   x = 11,606,673,608.34/124,269.12
6. Step 6: Final answer
   x = 93,399.50