Finding the Fourth Proportional to 22,087.62, 30,480.46 and 12,016.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,087.62 : 30,480.46 = 12,016.31 : x
2. Step 2: Convert to fraction form
   22,087.62/30,480.46 = 12,016.31/x
3. Step 3: Cross multiply
   22,087.62x = 30,480.46 × 12,016.31
4. Step 4: Simplify right side
   22,087.62x = 366,262,656.30
5. Step 5: Solve for x
   x = 366,262,656.30/22,087.62
6. Step 6: Final answer
   x = 16,582.26