Finding the Fourth Proportional to 3,831.57, 5,738.04 and 2,183.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,831.57 : 5,738.04 = 2,183.15 : x
2. Step 2: Convert to fraction form
   3,831.57/5,738.04 = 2,183.15/x
3. Step 3: Cross multiply
   3,831.57x = 5,738.04 × 2,183.15
4. Step 4: Simplify right side
   3,831.57x = 12,527,016.37
5. Step 5: Solve for x
   x = 12,527,016.37/3,831.57
6. Step 6: Final answer
   x = 3,269.42