Finding the Fourth Proportional to 16,198.89, 22,354.52 and 9,394.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,198.89 : 22,354.52 = 9,394.23 : x
2. Step 2: Convert to fraction form
   16,198.89/22,354.52 = 9,394.23/x
3. Step 3: Cross multiply
   16,198.89x = 22,354.52 × 9,394.23
4. Step 4: Simplify right side
   16,198.89x = 210,003,502.42
5. Step 5: Solve for x
   x = 210,003,502.42/16,198.89
6. Step 6: Final answer
   x = 12,964.07