Finding the Fourth Proportional to 6,221.25, 8,585.33 and 3,568.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,221.25 : 8,585.33 = 3,568.55 : x
2. Step 2: Convert to fraction form
   6,221.25/8,585.33 = 3,568.55/x
3. Step 3: Cross multiply
   6,221.25x = 8,585.33 × 3,568.55
4. Step 4: Simplify right side
   6,221.25x = 30,637,118.60
5. Step 5: Solve for x
   x = 30,637,118.60/6,221.25
6. Step 6: Final answer
   x = 4,924.59