Finding the Fourth Proportional to 2,440.32, 3,369.33 and 1,644.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,440.32 : 3,369.33 = 1,644.86 : x
2. Step 2: Convert to fraction form
   2,440.32/3,369.33 = 1,644.86/x
3. Step 3: Cross multiply
   2,440.32x = 3,369.33 × 1,644.86
4. Step 4: Simplify right side
   2,440.32x = 5,542,059.30
5. Step 5: Solve for x
   x = 5,542,059.30/2,440.32
6. Step 6: Final answer
   x = 2,271.04