Finding the Fourth Proportional to 8,584.83, 12,866.31 and 3,653.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,584.83 : 12,866.31 = 3,653.15 : x
2. Step 2: Convert to fraction form
   8,584.83/12,866.31 = 3,653.15/x
3. Step 3: Cross multiply
   8,584.83x = 12,866.31 × 3,653.15
4. Step 4: Simplify right side
   8,584.83x = 47,002,496.04
5. Step 5: Solve for x
   x = 47,002,496.04/8,584.83
6. Step 6: Final answer
   x = 5,475.06