Finding the Fourth Proportional to 8,216.84, 12,324.04 and 3,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216.84 : 12,324.04 = 3,021.50 : x
2. Step 2: Convert to fraction form
   8,216.84/12,324.04 = 3,021.50/x
3. Step 3: Cross multiply
   8,216.84x = 12,324.04 × 3,021.50
4. Step 4: Simplify right side
   8,216.84x = 37,237,086.86
5. Step 5: Solve for x
   x = 37,237,086.86/8,216.84
6. Step 6: Final answer
   x = 4,531.80