Finding the Fourth Proportional to 16,513.62, 22,788.90 and 8,959.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.62 : 22,788.90 = 8,959.98 : x
2. Step 2: Convert to fraction form
   16,513.62/22,788.90 = 8,959.98/x
3. Step 3: Cross multiply
   16,513.62x = 22,788.90 × 8,959.98
4. Step 4: Simplify right side
   16,513.62x = 204,188,088.22
5. Step 5: Solve for x
   x = 204,188,088.22/16,513.62
6. Step 6: Final answer
   x = 12,364.83