Finding the Fourth Proportional to 6,209.52, 8,570.34 and 4,081.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,209.52 : 8,570.34 = 4,081.31 : x
2. Step 2: Convert to fraction form
   6,209.52/8,570.34 = 4,081.31/x
3. Step 3: Cross multiply
   6,209.52x = 8,570.34 × 4,081.31
4. Step 4: Simplify right side
   6,209.52x = 34,978,171.49
5. Step 5: Solve for x
   x = 34,978,171.49/6,209.52
6. Step 6: Final answer
   x = 5,632.99