Finding the Fourth Proportional to 16,521.24, 22,797.72 and 9,805.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,521.24 : 22,797.72 = 9,805.68 : x
2. Step 2: Convert to fraction form
   16,521.24/22,797.72 = 9,805.68/x
3. Step 3: Cross multiply
   16,521.24x = 22,797.72 × 9,805.68
4. Step 4: Simplify right side
   16,521.24x = 223,547,147.05
5. Step 5: Solve for x
   x = 223,547,147.05/16,521.24
6. Step 6: Final answer
   x = 13,530.89