Finding the Fourth Proportional to 16,580.98, 22,882.38 and 9,508.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,580.98 : 22,882.38 = 9,508.72 : x
2. Step 2: Convert to fraction form
   16,580.98/22,882.38 = 9,508.72/x
3. Step 3: Cross multiply
   16,580.98x = 22,882.38 × 9,508.72
4. Step 4: Simplify right side
   16,580.98x = 217,582,144.35
5. Step 5: Solve for x
   x = 217,582,144.35/16,580.98
6. Step 6: Final answer
   x = 13,122.39