Finding the Fourth Proportional to 16,997.69, 23,456.46 and 9,443.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,997.69 : 23,456.46 = 9,443.58 : x
2. Step 2: Convert to fraction form
   16,997.69/23,456.46 = 9,443.58/x
3. Step 3: Cross multiply
   16,997.69x = 23,456.46 × 9,443.58
4. Step 4: Simplify right side
   16,997.69x = 221,512,909.31
5. Step 5: Solve for x
   x = 221,512,909.31/16,997.69
6. Step 6: Final answer
   x = 13,031.94