Finding the Fourth Proportional to 2,443.65, 3,371.67 and 1,559.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.65 : 3,371.67 = 1,559.13 : x
2. Step 2: Convert to fraction form
   2,443.65/3,371.67 = 1,559.13/x
3. Step 3: Cross multiply
   2,443.65x = 3,371.67 × 1,559.13
4. Step 4: Simplify right side
   2,443.65x = 5,256,871.85
5. Step 5: Solve for x
   x = 5,256,871.85/2,443.65
6. Step 6: Final answer
   x = 2,151.24