Finding the Fourth Proportional to 3,672.28, 5,509.50 and 2,443.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.28 : 5,509.50 = 2,443.24 : x
2. Step 2: Convert to fraction form
   3,672.28/5,509.50 = 2,443.24/x
3. Step 3: Cross multiply
   3,672.28x = 5,509.50 × 2,443.24
4. Step 4: Simplify right side
   3,672.28x = 13,461,030.78
5. Step 5: Solve for x
   x = 13,461,030.78/3,672.28
6. Step 6: Final answer
   x = 3,665.58