Finding the Fourth Proportional to 2,502.48, 3,453.56 and 1,440.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.48 : 3,453.56 = 1,440.41 : x
2. Step 2: Convert to fraction form
   2,502.48/3,453.56 = 1,440.41/x
3. Step 3: Cross multiply
   2,502.48x = 3,453.56 × 1,440.41
4. Step 4: Simplify right side
   2,502.48x = 4,974,542.36
5. Step 5: Solve for x
   x = 4,974,542.36/2,502.48
6. Step 6: Final answer
   x = 1,987.84