Finding the Fourth Proportional to 10,411.54, 15,623.62 and 4,170.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,411.54 : 15,623.62 = 4,170.69 : x
2. Step 2: Convert to fraction form
   10,411.54/15,623.62 = 4,170.69/x
3. Step 3: Cross multiply
   10,411.54x = 15,623.62 × 4,170.69
4. Step 4: Simplify right side
   10,411.54x = 65,161,265.27
5. Step 5: Solve for x
   x = 65,161,265.27/10,411.54
6. Step 6: Final answer
   x = 6,258.56