Finding the Fourth Proportional to 2,606.55, 3,910.41 and 963.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.55 : 3,910.41 = 963.15 : x
2. Step 2: Convert to fraction form
   2,606.55/3,910.41 = 963.15/x
3. Step 3: Cross multiply
   2,606.55x = 3,910.41 × 963.15
4. Step 4: Simplify right side
   2,606.55x = 3,766,311.39
5. Step 5: Solve for x
   x = 3,766,311.39/2,606.55
6. Step 6: Final answer
   x = 1,444.94