Finding the Fourth Proportional to 2,831.76, 4,247.91 and 1,100.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,831.76 : 4,247.91 = 1,100.52 : x
2. Step 2: Convert to fraction form
   2,831.76/4,247.91 = 1,100.52/x
3. Step 3: Cross multiply
   2,831.76x = 4,247.91 × 1,100.52
4. Step 4: Simplify right side
   2,831.76x = 4,674,909.91
5. Step 5: Solve for x
   x = 4,674,909.91/2,831.76
6. Step 6: Final answer
   x = 1,650.88