Finding the Fourth Proportional to 16,087.72, 22,200.74 and 9,015.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,087.72 : 22,200.74 = 9,015.08 : x
2. Step 2: Convert to fraction form
   16,087.72/22,200.74 = 9,015.08/x
3. Step 3: Cross multiply
   16,087.72x = 22,200.74 × 9,015.08
4. Step 4: Simplify right side
   16,087.72x = 200,141,447.16
5. Step 5: Solve for x
   x = 200,141,447.16/16,087.72
6. Step 6: Final answer
   x = 12,440.63