Finding the Fourth Proportional to 2,243.72, 3,361.12 and 1,782.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243.72 : 3,361.12 = 1,782.29 : x
2. Step 2: Convert to fraction form
   2,243.72/3,361.12 = 1,782.29/x
3. Step 3: Cross multiply
   2,243.72x = 3,361.12 × 1,782.29
4. Step 4: Simplify right side
   2,243.72x = 5,990,469.30
5. Step 5: Solve for x
   x = 5,990,469.30/2,243.72
6. Step 6: Final answer
   x = 2,669.89