Finding the Fourth Proportional to 3,216.56, 4,823.32 and 2,243.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,216.56 : 4,823.32 = 2,243.12 : x
2. Step 2: Convert to fraction form
   3,216.56/4,823.32 = 2,243.12/x
3. Step 3: Cross multiply
   3,216.56x = 4,823.32 × 2,243.12
4. Step 4: Simplify right side
   3,216.56x = 10,819,285.56
5. Step 5: Solve for x
   x = 10,819,285.56/3,216.56
6. Step 6: Final answer
   x = 3,363.62