Finding the Fourth Proportional to 3,499.24, 4,831.20 and 2,174.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499.24 : 4,831.20 = 2,174.86 : x
2. Step 2: Convert to fraction form
   3,499.24/4,831.20 = 2,174.86/x
3. Step 3: Cross multiply
   3,499.24x = 4,831.20 × 2,174.86
4. Step 4: Simplify right side
   3,499.24x = 10,507,183.63
5. Step 5: Solve for x
   x = 10,507,183.63/3,499.24
6. Step 6: Final answer
   x = 3,002.70