Finding the Fourth Proportional to 16,698.27, 23,043.89 and 9,144.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,698.27 : 23,043.89 = 9,144.48 : x
2. Step 2: Convert to fraction form
   16,698.27/23,043.89 = 9,144.48/x
3. Step 3: Cross multiply
   16,698.27x = 23,043.89 × 9,144.48
4. Step 4: Simplify right side
   16,698.27x = 210,724,391.23
5. Step 5: Solve for x
   x = 210,724,391.23/16,698.27
6. Step 6: Final answer
   x = 12,619.53