Finding the Fourth Proportional to 16,146.36, 22,282.92 and 8,976.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,146.36 : 22,282.92 = 8,976.42 : x
2. Step 2: Convert to fraction form
   16,146.36/22,282.92 = 8,976.42/x
3. Step 3: Cross multiply
   16,146.36x = 22,282.92 × 8,976.42
4. Step 4: Simplify right side
   16,146.36x = 200,020,848.75
5. Step 5: Solve for x
   x = 200,020,848.75/16,146.36
6. Step 6: Final answer
   x = 12,387.98