Finding the Fourth Proportional to 2,831.57, 4,245.15 and 1,350.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,831.57 : 4,245.15 = 1,350.02 : x
2. Step 2: Convert to fraction form
   2,831.57/4,245.15 = 1,350.02/x
3. Step 3: Cross multiply
   2,831.57x = 4,245.15 × 1,350.02
4. Step 4: Simplify right side
   2,831.57x = 5,731,037.40
5. Step 5: Solve for x
   x = 5,731,037.40/2,831.57
6. Step 6: Final answer
   x = 2,023.98