Finding the Fourth Proportional to 2,647.43, 3,983.84 and 2,182.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.43 : 3,983.84 = 2,182.25 : x
2. Step 2: Convert to fraction form
   2,647.43/3,983.84 = 2,182.25/x
3. Step 3: Cross multiply
   2,647.43x = 3,983.84 × 2,182.25
4. Step 4: Simplify right side
   2,647.43x = 8,693,704.01
5. Step 5: Solve for x
   x = 8,693,704.01/2,647.43
6. Step 6: Final answer
   x = 3,283.83