Finding the Fourth Proportional to 2,443.36, 3,660.72 and 2,391.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.36 : 3,660.72 = 2,391.52 : x
2. Step 2: Convert to fraction form
   2,443.36/3,660.72 = 2,391.52/x
3. Step 3: Cross multiply
   2,443.36x = 3,660.72 × 2,391.52
4. Step 4: Simplify right side
   2,443.36x = 8,754,685.09
5. Step 5: Solve for x
   x = 8,754,685.09/2,443.36
6. Step 6: Final answer
   x = 3,583.05