Finding the Fourth Proportional to 16,236.27, 22,406.69 and 9,162.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,236.27 : 22,406.69 = 9,162.94 : x
2. Step 2: Convert to fraction form
   16,236.27/22,406.69 = 9,162.94/x
3. Step 3: Cross multiply
   16,236.27x = 22,406.69 × 9,162.94
4. Step 4: Simplify right side
   16,236.27x = 205,311,156.07
5. Step 5: Solve for x
   x = 205,311,156.07/16,236.27
6. Step 6: Final answer
   x = 12,645.22