Finding the Fourth Proportional to 2,404.83, 3,605.08 and 865.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.83 : 3,605.08 = 865.47 : x
2. Step 2: Convert to fraction form
   2,404.83/3,605.08 = 865.47/x
3. Step 3: Cross multiply
   2,404.83x = 3,605.08 × 865.47
4. Step 4: Simplify right side
   2,404.83x = 3,120,088.59
5. Step 5: Solve for x
   x = 3,120,088.59/2,404.83
6. Step 6: Final answer
   x = 1,297.43