Finding the Fourth Proportional to 2,912.94, 4,369.50 and 965.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912.94 : 4,369.50 = 965.10 : x
2. Step 2: Convert to fraction form
   2,912.94/4,369.50 = 965.10/x
3. Step 3: Cross multiply
   2,912.94x = 4,369.50 × 965.10
4. Step 4: Simplify right side
   2,912.94x = 4,217,004.45
5. Step 5: Solve for x
   x = 4,217,004.45/2,912.94
6. Step 6: Final answer
   x = 1,447.68