Finding the Fourth Proportional to 16,568.72, 22,864.93 and 9,015.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,568.72 : 22,864.93 = 9,015.10 : x
2. Step 2: Convert to fraction form
   16,568.72/22,864.93 = 9,015.10/x
3. Step 3: Cross multiply
   16,568.72x = 22,864.93 × 9,015.10
4. Step 4: Simplify right side
   16,568.72x = 206,129,730.07
5. Step 5: Solve for x
   x = 206,129,730.07/16,568.72
6. Step 6: Final answer
   x = 12,440.90