Finding the Fourth Proportional to 16,443.27, 22,686.16 and 9,364.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443.27 : 22,686.16 = 9,364.68 : x
2. Step 2: Convert to fraction form
   16,443.27/22,686.16 = 9,364.68/x
3. Step 3: Cross multiply
   16,443.27x = 22,686.16 × 9,364.68
4. Step 4: Simplify right side
   16,443.27x = 212,448,628.83
5. Step 5: Solve for x
   x = 212,448,628.83/16,443.27
6. Step 6: Final answer
   x = 12,920.10