Finding the Fourth Proportional to 16,260.27, 22,439.46 and 9,186.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,260.27 : 22,439.46 = 9,186.81 : x
2. Step 2: Convert to fraction form
   16,260.27/22,439.46 = 9,186.81/x
3. Step 3: Cross multiply
   16,260.27x = 22,439.46 × 9,186.81
4. Step 4: Simplify right side
   16,260.27x = 206,147,055.52
5. Step 5: Solve for x
   x = 206,147,055.52/16,260.27
6. Step 6: Final answer
   x = 12,677.96