Finding the Fourth Proportional to 16,872.84, 25,289.82 and 9,065.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,872.84 : 25,289.82 = 9,065.25 : x
2. Step 2: Convert to fraction form
   16,872.84/25,289.82 = 9,065.25/x
3. Step 3: Cross multiply
   16,872.84x = 25,289.82 × 9,065.25
4. Step 4: Simplify right side
   16,872.84x = 229,258,540.76
5. Step 5: Solve for x
   x = 229,258,540.76/16,872.84
6. Step 6: Final answer
   x = 13,587.43