Finding the Fourth Proportional to 16,236, 22,405.68 and 9,162.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,236 : 22,405.68 = 9,162.27 : x
2. Step 2: Convert to fraction form
   16,236/22,405.68 = 9,162.27/x
3. Step 3: Cross multiply
   16,236x = 22,405.68 × 9,162.27
4. Step 4: Simplify right side
   16,236x = 205,286,889.69
5. Step 5: Solve for x
   x = 205,286,889.69/16,236
6. Step 6: Final answer
   x = 12,643.93