Finding the Fourth Proportional to 2,436.33, 3,360.56 and 1,440.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.33 : 3,360.56 = 1,440.91 : x
2. Step 2: Convert to fraction form
   2,436.33/3,360.56 = 1,440.91/x
3. Step 3: Cross multiply
   2,436.33x = 3,360.56 × 1,440.91
4. Step 4: Simplify right side
   2,436.33x = 4,842,283.12
5. Step 5: Solve for x
   x = 4,842,283.12/2,436.33
6. Step 6: Final answer
   x = 1,987.53