Finding the Fourth Proportional to 2,391.48, 3,293.10 and 2,217.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.48 : 3,293.10 = 2,217.24 : x
2. Step 2: Convert to fraction form
   2,391.48/3,293.10 = 2,217.24/x
3. Step 3: Cross multiply
   2,391.48x = 3,293.10 × 2,217.24
4. Step 4: Simplify right side
   2,391.48x = 7,301,593.04
5. Step 5: Solve for x
   x = 7,301,593.04/2,391.48
6. Step 6: Final answer
   x = 3,053.17