Finding the Fourth Proportional to 16,470.54, 22,722.12 and 9,394.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,470.54 : 22,722.12 = 9,394.38 : x
2. Step 2: Convert to fraction form
   16,470.54/22,722.12 = 9,394.38/x
3. Step 3: Cross multiply
   16,470.54x = 22,722.12 × 9,394.38
4. Step 4: Simplify right side
   16,470.54x = 213,460,229.69
5. Step 5: Solve for x
   x = 213,460,229.69/16,470.54
6. Step 6: Final answer
   x = 12,960.12