Finding the Fourth Proportional to 2,443.24, 3,665.40 and 1,144

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.24 : 3,665.40 = 1,144 : x
2. Step 2: Convert to fraction form
   2,443.24/3,665.40 = 1,144/x
3. Step 3: Cross multiply
   2,443.24x = 3,665.40 × 1,144
4. Step 4: Simplify right side
   2,443.24x = 4,193,217.60
5. Step 5: Solve for x
   x = 4,193,217.60/2,443.24
6. Step 6: Final answer
   x = 1,716.25