Finding the Fourth Proportional to 124,503.46, 171,815.30 and 67,916.05

Step by Step Solution

1. Step 1: Write the proportion equation
   124,503.46 : 171,815.30 = 67,916.05 : x
2. Step 2: Convert to fraction form
   124,503.46/171,815.30 = 67,916.05/x
3. Step 3: Cross multiply
   124,503.46x = 171,815.30 × 67,916.05
4. Step 4: Simplify right side
   124,503.46x = 11,669,016,505.57
5. Step 5: Solve for x
   x = 11,669,016,505.57/124,503.46
6. Step 6: Final answer
   x = 93,724.44