Finding the Fourth Proportional to 16,199.73, 22,355.55 and 9,126.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,199.73 : 22,355.55 = 9,126.09 : x
2. Step 2: Convert to fraction form
   16,199.73/22,355.55 = 9,126.09/x
3. Step 3: Cross multiply
   16,199.73x = 22,355.55 × 9,126.09
4. Step 4: Simplify right side
   16,199.73x = 204,018,761.30
5. Step 5: Solve for x
   x = 204,018,761.30/16,199.73
6. Step 6: Final answer
   x = 12,593.96