Finding the Fourth Proportional to 9,685.42, 14,498.79 and 8,761.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,685.42 : 14,498.79 = 8,761.38 : x
2. Step 2: Convert to fraction form
   9,685.42/14,498.79 = 8,761.38/x
3. Step 3: Cross multiply
   9,685.42x = 14,498.79 × 8,761.38
4. Step 4: Simplify right side
   9,685.42x = 127,029,408.73
5. Step 5: Solve for x
   x = 127,029,408.73/9,685.42
6. Step 6: Final answer
   x = 13,115.53