Finding the Fourth Proportional to 16,557.59, 22,849.47 and 9,105.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,557.59 : 22,849.47 = 9,105.59 : x
2. Step 2: Convert to fraction form
   16,557.59/22,849.47 = 9,105.59/x
3. Step 3: Cross multiply
   16,557.59x = 22,849.47 × 9,105.59
4. Step 4: Simplify right side
   16,557.59x = 208,057,791.29
5. Step 5: Solve for x
   x = 208,057,791.29/16,557.59
6. Step 6: Final answer
   x = 12,565.71