Finding the Fourth Proportional to 2,443.40, 3,668.49 and 1,571.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.40 : 3,668.49 = 1,571.30 : x
2. Step 2: Convert to fraction form
   2,443.40/3,668.49 = 1,571.30/x
3. Step 3: Cross multiply
   2,443.40x = 3,668.49 × 1,571.30
4. Step 4: Simplify right side
   2,443.40x = 5,764,298.34
5. Step 5: Solve for x
   x = 5,764,298.34/2,443.40
6. Step 6: Final answer
   x = 2,359.13