Finding the Fourth Proportional to 2,196.79, 3,295.87 and 965.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.79 : 3,295.87 = 965.23 : x
2. Step 2: Convert to fraction form
   2,196.79/3,295.87 = 965.23/x
3. Step 3: Cross multiply
   2,196.79x = 3,295.87 × 965.23
4. Step 4: Simplify right side
   2,196.79x = 3,181,285.92
5. Step 5: Solve for x
   x = 3,181,285.92/2,196.79
6. Step 6: Final answer
   x = 1,448.15