Finding the Fourth Proportional to 8,137.89, 12,208.04 and 2,589.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,137.89 : 12,208.04 = 2,589.59 : x
2. Step 2: Convert to fraction form
   8,137.89/12,208.04 = 2,589.59/x
3. Step 3: Cross multiply
   8,137.89x = 12,208.04 × 2,589.59
4. Step 4: Simplify right side
   8,137.89x = 31,613,818.30
5. Step 5: Solve for x
   x = 31,613,818.30/8,137.89
6. Step 6: Final answer
   x = 3,884.77