Finding the Fourth Proportional to 16,560.56, 22,853.59 and 9,108.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,560.56 : 22,853.59 = 9,108.56 : x
2. Step 2: Convert to fraction form
   16,560.56/22,853.59 = 9,108.56/x
3. Step 3: Cross multiply
   16,560.56x = 22,853.59 × 9,108.56
4. Step 4: Simplify right side
   16,560.56x = 208,163,330.09
5. Step 5: Solve for x
   x = 208,163,330.09/16,560.56
6. Step 6: Final answer
   x = 12,569.82