Finding the Fourth Proportional to 2,597.28, 3,584.30 and 1,418.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,597.28 : 3,584.30 = 1,418.40 : x
2. Step 2: Convert to fraction form
   2,597.28/3,584.30 = 1,418.40/x
3. Step 3: Cross multiply
   2,597.28x = 3,584.30 × 1,418.40
4. Step 4: Simplify right side
   2,597.28x = 5,083,964.03
5. Step 5: Solve for x
   x = 5,083,964.03/2,597.28
6. Step 6: Final answer
   x = 1,957.42