Finding the Fourth Proportional to 16,036.60, 22,129.61 and 8,866.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,036.60 : 22,129.61 = 8,866.10 : x
2. Step 2: Convert to fraction form
   16,036.60/22,129.61 = 8,866.10/x
3. Step 3: Cross multiply
   16,036.60x = 22,129.61 × 8,866.10
4. Step 4: Simplify right side
   16,036.60x = 196,203,302.77
5. Step 5: Solve for x
   x = 196,203,302.77/16,036.60
6. Step 6: Final answer
   x = 12,234.72