Finding the Fourth Proportional to 3,560.72, 5,340.34 and 963.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,560.72 : 5,340.34 = 963.05 : x
2. Step 2: Convert to fraction form
   3,560.72/5,340.34 = 963.05/x
3. Step 3: Cross multiply
   3,560.72x = 5,340.34 × 963.05
4. Step 4: Simplify right side
   3,560.72x = 5,143,014.44
5. Step 5: Solve for x
   x = 5,143,014.44/3,560.72
6. Step 6: Final answer
   x = 1,444.37