Finding the Fourth Proportional to 3,216.16, 4,818.30 and 2,238.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,216.16 : 4,818.30 = 2,238.76 : x
2. Step 2: Convert to fraction form
   3,216.16/4,818.30 = 2,238.76/x
3. Step 3: Cross multiply
   3,216.16x = 4,818.30 × 2,238.76
4. Step 4: Simplify right side
   3,216.16x = 10,787,017.31
5. Step 5: Solve for x
   x = 10,787,017.31/3,216.16
6. Step 6: Final answer
   x = 3,354.01