Finding the Fourth Proportional to 2,615.52, 3,609.48 and 1,436.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.52 : 3,609.48 = 1,436.58 : x
2. Step 2: Convert to fraction form
   2,615.52/3,609.48 = 1,436.58/x
3. Step 3: Cross multiply
   2,615.52x = 3,609.48 × 1,436.58
4. Step 4: Simplify right side
   2,615.52x = 5,185,306.78
5. Step 5: Solve for x
   x = 5,185,306.78/2,615.52
6. Step 6: Final answer
   x = 1,982.51