Finding the Fourth Proportional to 20,443.14, 30,676.61 and 8,596.05

Step by Step Solution

1. Step 1: Write the proportion equation
   20,443.14 : 30,676.61 = 8,596.05 : x
2. Step 2: Convert to fraction form
   20,443.14/30,676.61 = 8,596.05/x
3. Step 3: Cross multiply
   20,443.14x = 30,676.61 × 8,596.05
4. Step 4: Simplify right side
   20,443.14x = 263,697,745.45
5. Step 5: Solve for x
   x = 263,697,745.45/20,443.14
6. Step 6: Final answer
   x = 12,899.08