Finding the Fourth Proportional to 16,315.17, 22,514.55 and 9,508.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,315.17 : 22,514.55 = 9,508.74 : x
2. Step 2: Convert to fraction form
   16,315.17/22,514.55 = 9,508.74/x
3. Step 3: Cross multiply
   16,315.17x = 22,514.55 × 9,508.74
4. Step 4: Simplify right side
   16,315.17x = 214,085,002.17
5. Step 5: Solve for x
   x = 214,085,002.17/16,315.17
6. Step 6: Final answer
   x = 13,121.84