Finding the Fourth Proportional to 8,513.38, 12,689.59 and 8,097.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,513.38 : 12,689.59 = 8,097.46 : x
2. Step 2: Convert to fraction form
   8,513.38/12,689.59 = 8,097.46/x
3. Step 3: Cross multiply
   8,513.38x = 12,689.59 × 8,097.46
4. Step 4: Simplify right side
   8,513.38x = 102,753,447.44
5. Step 5: Solve for x
   x = 102,753,447.44/8,513.38
6. Step 6: Final answer
   x = 12,069.64