Finding the Fourth Proportional to 2,831.07, 4,245.88 and 882.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,831.07 : 4,245.88 = 882.27 : x
2. Step 2: Convert to fraction form
   2,831.07/4,245.88 = 882.27/x
3. Step 3: Cross multiply
   2,831.07x = 4,245.88 × 882.27
4. Step 4: Simplify right side
   2,831.07x = 3,746,012.55
5. Step 5: Solve for x
   x = 3,746,012.55/2,831.07
6. Step 6: Final answer
   x = 1,323.18