Finding the Fourth Proportional to 16,257.89, 22,435.42 and 9,087.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,257.89 : 22,435.42 = 9,087.82 : x
2. Step 2: Convert to fraction form
   16,257.89/22,435.42 = 9,087.82/x
3. Step 3: Cross multiply
   16,257.89x = 22,435.42 × 9,087.82
4. Step 4: Simplify right side
   16,257.89x = 203,889,059.92
5. Step 5: Solve for x
   x = 203,889,059.92/16,257.89
6. Step 6: Final answer
   x = 12,540.93