Finding the Fourth Proportional to 12,164.74, 16,789.18 and 8,806.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.74 : 16,789.18 = 8,806.32 : x
2. Step 2: Convert to fraction form
   12,164.74/16,789.18 = 8,806.32/x
3. Step 3: Cross multiply
   12,164.74x = 16,789.18 × 8,806.32
4. Step 4: Simplify right side
   12,164.74x = 147,850,891.62
5. Step 5: Solve for x
   x = 147,850,891.62/12,164.74
6. Step 6: Final answer
   x = 12,154.05