Finding the Fourth Proportional to 2,196.24, 3,294.72 and 963.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.24 : 3,294.72 = 963.60 : x
2. Step 2: Convert to fraction form
   2,196.24/3,294.72 = 963.60/x
3. Step 3: Cross multiply
   2,196.24x = 3,294.72 × 963.60
4. Step 4: Simplify right side
   2,196.24x = 3,174,792.19
5. Step 5: Solve for x
   x = 3,174,792.19/2,196.24
6. Step 6: Final answer
   x = 1,445.56