Finding the Fourth Proportional to 16,087.36, 22,201.98 and 9,015.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,087.36 : 22,201.98 = 9,015.28 : x
2. Step 2: Convert to fraction form
   16,087.36/22,201.98 = 9,015.28/x
3. Step 3: Cross multiply
   16,087.36x = 22,201.98 × 9,015.28
4. Step 4: Simplify right side
   16,087.36x = 200,157,066.25
5. Step 5: Solve for x
   x = 200,157,066.25/16,087.36
6. Step 6: Final answer
   x = 12,441.88