Finding the Fourth Proportional to 22,007.43, 30,367.31 and 12,448.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,007.43 : 30,367.31 = 12,448.62 : x
2. Step 2: Convert to fraction form
   22,007.43/30,367.31 = 12,448.62/x
3. Step 3: Cross multiply
   22,007.43x = 30,367.31 × 12,448.62
4. Step 4: Simplify right side
   22,007.43x = 378,031,040.37
5. Step 5: Solve for x
   x = 378,031,040.37/22,007.43
6. Step 6: Final answer
   x = 17,177.43