Finding the Fourth Proportional to 124,510.10, 171,823.71 and 67,921.47

Step by Step Solution

1. Step 1: Write the proportion equation
   124,510.10 : 171,823.71 = 67,921.47 : x
2. Step 2: Convert to fraction form
   124,510.10/171,823.71 = 67,921.47/x
3. Step 3: Cross multiply
   124,510.10x = 171,823.71 × 67,921.47
4. Step 4: Simplify right side
   124,510.10x = 11,670,519,218.76
5. Step 5: Solve for x
   x = 11,670,519,218.76/124,510.10
6. Step 6: Final answer
   x = 93,731.51