Finding the Fourth Proportional to 2,443.10, 3,665.87 and 1,144.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.10 : 3,665.87 = 1,144.67 : x
2. Step 2: Convert to fraction form
   2,443.10/3,665.87 = 1,144.67/x
3. Step 3: Cross multiply
   2,443.10x = 3,665.87 × 1,144.67
4. Step 4: Simplify right side
   2,443.10x = 4,196,205.69
5. Step 5: Solve for x
   x = 4,196,205.69/2,443.10
6. Step 6: Final answer
   x = 1,717.57