Finding the Fourth Proportional to 8,028.82, 12,043.32 and 2,831.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,028.82 : 12,043.32 = 2,831.05 : x
2. Step 2: Convert to fraction form
   8,028.82/12,043.32 = 2,831.05/x
3. Step 3: Cross multiply
   8,028.82x = 12,043.32 × 2,831.05
4. Step 4: Simplify right side
   8,028.82x = 34,095,241.09
5. Step 5: Solve for x
   x = 34,095,241.09/8,028.82
6. Step 6: Final answer
   x = 4,246.61