Finding the Fourth Proportional to 10,411.92, 15,618.06 and 3,391.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,411.92 : 15,618.06 = 3,391.97 : x
2. Step 2: Convert to fraction form
   10,411.92/15,618.06 = 3,391.97/x
3. Step 3: Cross multiply
   10,411.92x = 15,618.06 × 3,391.97
4. Step 4: Simplify right side
   10,411.92x = 52,975,912.89
5. Step 5: Solve for x
   x = 52,975,912.89/10,411.92
6. Step 6: Final answer
   x = 5,088.01