Finding the Fourth Proportional to 9,723.91, 14,510 and 8,676.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,723.91 : 14,510 = 8,676.72 : x
2. Step 2: Convert to fraction form
   9,723.91/14,510 = 8,676.72/x
3. Step 3: Cross multiply
   9,723.91x = 14,510 × 8,676.72
4. Step 4: Simplify right side
   9,723.91x = 125,899,207.20
5. Step 5: Solve for x
   x = 125,899,207.20/9,723.91
6. Step 6: Final answer
   x = 12,947.39