Finding the Fourth Proportional to 16,563.39, 22,857.53 and 9,009.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,563.39 : 22,857.53 = 9,009.78 : x
2. Step 2: Convert to fraction form
   16,563.39/22,857.53 = 9,009.78/x
3. Step 3: Cross multiply
   16,563.39x = 22,857.53 × 9,009.78
4. Step 4: Simplify right side
   16,563.39x = 205,941,271.59
5. Step 5: Solve for x
   x = 205,941,271.59/16,563.39
6. Step 6: Final answer
   x = 12,433.52