Finding the Fourth Proportional to 16,142.54, 22,274.37 and 8,971.97

Step by Step Solution

1. Step 1: Write the proportion equation
   16,142.54 : 22,274.37 = 8,971.97 : x
2. Step 2: Convert to fraction form
   16,142.54/22,274.37 = 8,971.97/x
3. Step 3: Cross multiply
   16,142.54x = 22,274.37 × 8,971.97
4. Step 4: Simplify right side
   16,142.54x = 199,844,868.04
5. Step 5: Solve for x
   x = 199,844,868.04/16,142.54
6. Step 6: Final answer
   x = 12,380.02