Finding the Fourth Proportional to 8,016.48, 12,022.20 and 2,821.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,016.48 : 12,022.20 = 2,821.14 : x
2. Step 2: Convert to fraction form
   8,016.48/12,022.20 = 2,821.14/x
3. Step 3: Cross multiply
   8,016.48x = 12,022.20 × 2,821.14
4. Step 4: Simplify right side
   8,016.48x = 33,916,309.31
5. Step 5: Solve for x
   x = 33,916,309.31/8,016.48
6. Step 6: Final answer
   x = 4,230.82