Finding the Fourth Proportional to 2,217.48, 3,324.72 and 736.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217.48 : 3,324.72 = 736.12 : x
2. Step 2: Convert to fraction form
   2,217.48/3,324.72 = 736.12/x
3. Step 3: Cross multiply
   2,217.48x = 3,324.72 × 736.12
4. Step 4: Simplify right side
   2,217.48x = 2,447,392.89
5. Step 5: Solve for x
   x = 2,447,392.89/2,217.48
6. Step 6: Final answer
   x = 1,103.68