Finding the Fourth Proportional to 2,909.59, 4,365.31 and 963.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,909.59 : 4,365.31 = 963.16 : x
2. Step 2: Convert to fraction form
   2,909.59/4,365.31 = 963.16/x
3. Step 3: Cross multiply
   2,909.59x = 4,365.31 × 963.16
4. Step 4: Simplify right side
   2,909.59x = 4,204,491.98
5. Step 5: Solve for x
   x = 4,204,491.98/2,909.59
6. Step 6: Final answer
   x = 1,445.05