Finding the Fourth Proportional to 9,687.27, 14,507.54 and 5,514.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,687.27 : 14,507.54 = 5,514.62 : x
2. Step 2: Convert to fraction form
   9,687.27/14,507.54 = 5,514.62/x
3. Step 3: Cross multiply
   9,687.27x = 14,507.54 × 5,514.62
4. Step 4: Simplify right side
   9,687.27x = 80,003,578.93
5. Step 5: Solve for x
   x = 80,003,578.93/9,687.27
6. Step 6: Final answer
   x = 8,258.63