Finding the Fourth Proportional to 16,262.15, 22,441.71 and 9,188.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,262.15 : 22,441.71 = 9,188.57 : x
2. Step 2: Convert to fraction form
   16,262.15/22,441.71 = 9,188.57/x
3. Step 3: Cross multiply
   16,262.15x = 22,441.71 × 9,188.57
4. Step 4: Simplify right side
   16,262.15x = 206,207,223.25
5. Step 5: Solve for x
   x = 206,207,223.25/16,262.15
6. Step 6: Final answer
   x = 12,680.19