Finding the Fourth Proportional to 2,280.62, 3,419.72 and 963.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.62 : 3,419.72 = 963.96 : x
2. Step 2: Convert to fraction form
   2,280.62/3,419.72 = 963.96/x
3. Step 3: Cross multiply
   2,280.62x = 3,419.72 × 963.96
4. Step 4: Simplify right side
   2,280.62x = 3,296,473.29
5. Step 5: Solve for x
   x = 3,296,473.29/2,280.62
6. Step 6: Final answer
   x = 1,445.43