Finding the Fourth Proportional to 6,209.89, 8,570.87 and 3,559.08

Step by Step Solution

1. Step 1: Write the proportion equation
   6,209.89 : 8,570.87 = 3,559.08 : x
2. Step 2: Convert to fraction form
   6,209.89/8,570.87 = 3,559.08/x
3. Step 3: Cross multiply
   6,209.89x = 8,570.87 × 3,559.08
4. Step 4: Simplify right side
   6,209.89x = 30,504,412.00
5. Step 5: Solve for x
   x = 30,504,412.00/6,209.89
6. Step 6: Final answer
   x = 4,912.23