Finding the Fourth Proportional to 2,608.32, 3,914.40 and 965.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.32 : 3,914.40 = 965.94 : x
2. Step 2: Convert to fraction form
   2,608.32/3,914.40 = 965.94/x
3. Step 3: Cross multiply
   2,608.32x = 3,914.40 × 965.94
4. Step 4: Simplify right side
   2,608.32x = 3,781,075.54
5. Step 5: Solve for x
   x = 3,781,075.54/2,608.32
6. Step 6: Final answer
   x = 1,449.62