Finding the Fourth Proportional to 2,831.52, 4,247.54 and 1,100.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,831.52 : 4,247.54 = 1,100.28 : x
2. Step 2: Convert to fraction form
   2,831.52/4,247.54 = 1,100.28/x
3. Step 3: Cross multiply
   2,831.52x = 4,247.54 × 1,100.28
4. Step 4: Simplify right side
   2,831.52x = 4,673,483.31
5. Step 5: Solve for x
   x = 4,673,483.31/2,831.52
6. Step 6: Final answer
   x = 1,650.52