Finding the Fourth Proportional to 3,255.02, 4,872.81 and 2,216.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,255.02 : 4,872.81 = 2,216.06 : x
2. Step 2: Convert to fraction form
   3,255.02/4,872.81 = 2,216.06/x
3. Step 3: Cross multiply
   3,255.02x = 4,872.81 × 2,216.06
4. Step 4: Simplify right side
   3,255.02x = 10,798,439.33
5. Step 5: Solve for x
   x = 10,798,439.33/3,255.02
6. Step 6: Final answer
   x = 3,317.47