Finding the Fourth Proportional to 16,880.42, 23,294.88 and 9,327.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,880.42 : 23,294.88 = 9,327.27 : x
2. Step 2: Convert to fraction form
   16,880.42/23,294.88 = 9,327.27/x
3. Step 3: Cross multiply
   16,880.42x = 23,294.88 × 9,327.27
4. Step 4: Simplify right side
   16,880.42x = 217,277,635.38
5. Step 5: Solve for x
   x = 217,277,635.38/16,880.42
6. Step 6: Final answer
   x = 12,871.58