Finding the Fourth Proportional to 16,199.94, 22,355.46 and 9,126.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,199.94 : 22,355.46 = 9,126.18 : x
2. Step 2: Convert to fraction form
   16,199.94/22,355.46 = 9,126.18/x
3. Step 3: Cross multiply
   16,199.94x = 22,355.46 × 9,126.18
4. Step 4: Simplify right side
   16,199.94x = 204,019,951.94
5. Step 5: Solve for x
   x = 204,019,951.94/16,199.94
6. Step 6: Final answer
   x = 12,593.87