Finding the Fourth Proportional to 16,105.68, 22,226.04 and 9,818.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,105.68 : 22,226.04 = 9,818.64 : x
2. Step 2: Convert to fraction form
   16,105.68/22,226.04 = 9,818.64/x
3. Step 3: Cross multiply
   16,105.68x = 22,226.04 × 9,818.64
4. Step 4: Simplify right side
   16,105.68x = 218,229,485.39
5. Step 5: Solve for x
   x = 218,229,485.39/16,105.68
6. Step 6: Final answer
   x = 13,549.85