Finding the Fourth Proportional to 2,615.35, 3,609.33 and 1,436.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.35 : 3,609.33 = 1,436.53 : x
2. Step 2: Convert to fraction form
   2,615.35/3,609.33 = 1,436.53/x
3. Step 3: Cross multiply
   2,615.35x = 3,609.33 × 1,436.53
4. Step 4: Simplify right side
   2,615.35x = 5,184,910.82
5. Step 5: Solve for x
   x = 5,184,910.82/2,615.35
6. Step 6: Final answer
   x = 1,982.49