Finding the Fourth Proportional to 3,243.63, 4,471.06 and 2,456.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,243.63 : 4,471.06 = 2,456.31 : x
2. Step 2: Convert to fraction form
   3,243.63/4,471.06 = 2,456.31/x
3. Step 3: Cross multiply
   3,243.63x = 4,471.06 × 2,456.31
4. Step 4: Simplify right side
   3,243.63x = 10,982,309.39
5. Step 5: Solve for x
   x = 10,982,309.39/3,243.63
6. Step 6: Final answer
   x = 3,385.81