Finding the Fourth Proportional to 2,404.50, 3,604.55 and 865.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.50 : 3,604.55 = 865.14 : x
2. Step 2: Convert to fraction form
   2,404.50/3,604.55 = 865.14/x
3. Step 3: Cross multiply
   2,404.50x = 3,604.55 × 865.14
4. Step 4: Simplify right side
   2,404.50x = 3,118,436.06
5. Step 5: Solve for x
   x = 3,118,436.06/2,404.50
6. Step 6: Final answer
   x = 1,296.92