Finding the Fourth Proportional to 16,192.78, 22,345.94 and 9,022.73

Step by Step Solution

1. Step 1: Write the proportion equation
   16,192.78 : 22,345.94 = 9,022.73 : x
2. Step 2: Convert to fraction form
   16,192.78/22,345.94 = 9,022.73/x
3. Step 3: Cross multiply
   16,192.78x = 22,345.94 × 9,022.73
4. Step 4: Simplify right side
   16,192.78x = 201,621,294.04
5. Step 5: Solve for x
   x = 201,621,294.04/16,192.78
6. Step 6: Final answer
   x = 12,451.31