Finding the Fourth Proportional to 2,831.18, 4,245.82 and 1,349.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,831.18 : 4,245.82 = 1,349.57 : x
2. Step 2: Convert to fraction form
   2,831.18/4,245.82 = 1,349.57/x
3. Step 3: Cross multiply
   2,831.18x = 4,245.82 × 1,349.57
4. Step 4: Simplify right side
   2,831.18x = 5,730,011.76
5. Step 5: Solve for x
   x = 5,730,011.76/2,831.18
6. Step 6: Final answer
   x = 2,023.90