Finding the Fourth Proportional to 9,016.38, 13,514.24 and 5,640.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.38 : 13,514.24 = 5,640.71 : x
2. Step 2: Convert to fraction form
   9,016.38/13,514.24 = 5,640.71/x
3. Step 3: Cross multiply
   9,016.38x = 13,514.24 × 5,640.71
4. Step 4: Simplify right side
   9,016.38x = 76,229,855.24
5. Step 5: Solve for x
   x = 76,229,855.24/9,016.38
6. Step 6: Final answer
   x = 8,454.60