Finding the Fourth Proportional to 3,560.43, 5,340.69 and 963.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,560.43 : 5,340.69 = 963.42 : x
2. Step 2: Convert to fraction form
   3,560.43/5,340.69 = 963.42/x
3. Step 3: Cross multiply
   3,560.43x = 5,340.69 × 963.42
4. Step 4: Simplify right side
   3,560.43x = 5,145,327.56
5. Step 5: Solve for x
   x = 5,145,327.56/3,560.43
6. Step 6: Final answer
   x = 1,445.14