Finding the Fourth Proportional to 8,459.82, 12,689.55 and 2,536.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,459.82 : 12,689.55 = 2,536.71 : x
2. Step 2: Convert to fraction form
   8,459.82/12,689.55 = 2,536.71/x
3. Step 3: Cross multiply
   8,459.82x = 12,689.55 × 2,536.71
4. Step 4: Simplify right side
   8,459.82x = 32,189,708.38
5. Step 5: Solve for x
   x = 32,189,708.38/8,459.82
6. Step 6: Final answer
   x = 3,805.01