Finding the Fourth Proportional to 11,694.91, 16,118.10 and 8,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,694.91 : 16,118.10 = 8,855.50 : x
2. Step 2: Convert to fraction form
   11,694.91/16,118.10 = 8,855.50/x
3. Step 3: Cross multiply
   11,694.91x = 16,118.10 × 8,855.50
4. Step 4: Simplify right side
   11,694.91x = 142,733,834.55
5. Step 5: Solve for x
   x = 142,733,834.55/11,694.91
6. Step 6: Final answer
   x = 12,204.78