Finding the Fourth Proportional to 16,997.94, 23,456.43 and 9,444.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,997.94 : 23,456.43 = 9,444.78 : x
2. Step 2: Convert to fraction form
   16,997.94/23,456.43 = 9,444.78/x
3. Step 3: Cross multiply
   16,997.94x = 23,456.43 × 9,444.78
4. Step 4: Simplify right side
   16,997.94x = 221,540,820.94
5. Step 5: Solve for x
   x = 221,540,820.94/16,997.94
6. Step 6: Final answer
   x = 13,033.39