Finding the Fourth Proportional to 2,196.38, 3,295.90 and 963.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.38 : 3,295.90 = 963.78 : x
2. Step 2: Convert to fraction form
   2,196.38/3,295.90 = 963.78/x
3. Step 3: Cross multiply
   2,196.38x = 3,295.90 × 963.78
4. Step 4: Simplify right side
   2,196.38x = 3,176,522.50
5. Step 5: Solve for x
   x = 3,176,522.50/2,196.38
6. Step 6: Final answer
   x = 1,446.25