Finding the Fourth Proportional to 2,426.76, 3,640.95 and 965.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.76 : 3,640.95 = 965.52 : x
2. Step 2: Convert to fraction form
   2,426.76/3,640.95 = 965.52/x
3. Step 3: Cross multiply
   2,426.76x = 3,640.95 × 965.52
4. Step 4: Simplify right side
   2,426.76x = 3,515,410.04
5. Step 5: Solve for x
   x = 3,515,410.04/2,426.76
6. Step 6: Final answer
   x = 1,448.60