Finding the Fourth Proportional to 2,259.62, 3,388.35 and 960.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.62 : 3,388.35 = 960.38 : x
2. Step 2: Convert to fraction form
   2,259.62/3,388.35 = 960.38/x
3. Step 3: Cross multiply
   2,259.62x = 3,388.35 × 960.38
4. Step 4: Simplify right side
   2,259.62x = 3,254,103.57
5. Step 5: Solve for x
   x = 3,254,103.57/2,259.62
6. Step 6: Final answer
   x = 1,440.11