Finding the Fourth Proportional to 2,404.02, 3,605.49 and 865.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.02 : 3,605.49 = 865.02 : x
2. Step 2: Convert to fraction form
   2,404.02/3,605.49 = 865.02/x
3. Step 3: Cross multiply
   2,404.02x = 3,605.49 × 865.02
4. Step 4: Simplify right side
   2,404.02x = 3,118,820.96
5. Step 5: Solve for x
   x = 3,118,820.96/2,404.02
6. Step 6: Final answer
   x = 1,297.34