Finding the Fourth Proportional to 16,354.56, 22,569.18 and 8,902.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,354.56 : 22,569.18 = 8,902.56 : x
2. Step 2: Convert to fraction form
   16,354.56/22,569.18 = 8,902.56/x
3. Step 3: Cross multiply
   16,354.56x = 22,569.18 × 8,902.56
4. Step 4: Simplify right side
   16,354.56x = 200,923,479.10
5. Step 5: Solve for x
   x = 200,923,479.10/16,354.56
6. Step 6: Final answer
   x = 12,285.47