Finding the Fourth Proportional to 124,510.91, 171,824.69 and 67,921.88

Step by Step Solution

1. Step 1: Write the proportion equation
   124,510.91 : 171,824.69 = 67,921.88 : x
2. Step 2: Convert to fraction form
   124,510.91/171,824.69 = 67,921.88/x
3. Step 3: Cross multiply
   124,510.91x = 171,824.69 × 67,921.88
4. Step 4: Simplify right side
   124,510.91x = 11,670,655,285.90
5. Step 5: Solve for x
   x = 11,670,655,285.90/124,510.91
6. Step 6: Final answer
   x = 93,731.99