Finding the Fourth Proportional to 11,705.63, 16,174.38 and 8,676.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,705.63 : 16,174.38 = 8,676.41 : x
2. Step 2: Convert to fraction form
   11,705.63/16,174.38 = 8,676.41/x
3. Step 3: Cross multiply
   11,705.63x = 16,174.38 × 8,676.41
4. Step 4: Simplify right side
   11,705.63x = 140,335,552.38
5. Step 5: Solve for x
   x = 140,335,552.38/11,705.63
6. Step 6: Final answer
   x = 11,988.72