Finding the Fourth Proportional to 2,434.35, 3,359.48 and 1,440.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.35 : 3,359.48 = 1,440.48 : x
2. Step 2: Convert to fraction form
   2,434.35/3,359.48 = 1,440.48/x
3. Step 3: Cross multiply
   2,434.35x = 3,359.48 × 1,440.48
4. Step 4: Simplify right side
   2,434.35x = 4,839,256.55
5. Step 5: Solve for x
   x = 4,839,256.55/2,434.35
6. Step 6: Final answer
   x = 1,987.91