Finding the Fourth Proportional to 16,557.09, 22,848.78 and 9,105.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,557.09 : 22,848.78 = 9,105.09 : x
2. Step 2: Convert to fraction form
   16,557.09/22,848.78 = 9,105.09/x
3. Step 3: Cross multiply
   16,557.09x = 22,848.78 × 9,105.09
4. Step 4: Simplify right side
   16,557.09x = 208,040,198.29
5. Step 5: Solve for x
   x = 208,040,198.29/16,557.09
6. Step 6: Final answer
   x = 12,565.02