Finding the Fourth Proportional to 2,426.58, 3,640.68 and 965.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.58 : 3,640.68 = 965.34 : x
2. Step 2: Convert to fraction form
   2,426.58/3,640.68 = 965.34/x
3. Step 3: Cross multiply
   2,426.58x = 3,640.68 × 965.34
4. Step 4: Simplify right side
   2,426.58x = 3,514,494.03
5. Step 5: Solve for x
   x = 3,514,494.03/2,426.58
6. Step 6: Final answer
   x = 1,448.33