Finding the Fourth Proportional to 8,216.28, 12,326.04 and 3,021.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216.28 : 12,326.04 = 3,021.48 : x
2. Step 2: Convert to fraction form
   8,216.28/12,326.04 = 3,021.48/x
3. Step 3: Cross multiply
   8,216.28x = 12,326.04 × 3,021.48
4. Step 4: Simplify right side
   8,216.28x = 37,242,883.34
5. Step 5: Solve for x
   x = 37,242,883.34/8,216.28
6. Step 6: Final answer
   x = 4,532.82