Finding the Fourth Proportional to 16,198.72, 24,308.32 and 9,286.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,198.72 : 24,308.32 = 9,286.72 : x
2. Step 2: Convert to fraction form
   16,198.72/24,308.32 = 9,286.72/x
3. Step 3: Cross multiply
   16,198.72x = 24,308.32 × 9,286.72
4. Step 4: Simplify right side
   16,198.72x = 225,744,561.51
5. Step 5: Solve for x
   x = 225,744,561.51/16,198.72
6. Step 6: Final answer
   x = 13,935.95