Finding the Fourth Proportional to 16,151.73, 22,289.34 and 8,981.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,151.73 : 22,289.34 = 8,981.40 : x
2. Step 2: Convert to fraction form
   16,151.73/22,289.34 = 8,981.40/x
3. Step 3: Cross multiply
   16,151.73x = 22,289.34 × 8,981.40
4. Step 4: Simplify right side
   16,151.73x = 200,189,478.28
5. Step 5: Solve for x
   x = 200,189,478.28/16,151.73
6. Step 6: Final answer
   x = 12,394.31