Finding the Fourth Proportional to 22,266, 30,727.17 and 12,330

Step by Step Solution

1. Step 1: Write the proportion equation
   22,266 : 30,727.17 = 12,330 : x
2. Step 2: Convert to fraction form
   22,266/30,727.17 = 12,330/x
3. Step 3: Cross multiply
   22,266x = 30,727.17 × 12,330
4. Step 4: Simplify right side
   22,266x = 378,866,006.10
5. Step 5: Solve for x
   x = 378,866,006.10/22,266
6. Step 6: Final answer
   x = 17,015.45