Finding the Fourth Proportional to 22,238.48, 30,684.23 and 13,284.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,238.48 : 30,684.23 = 13,284.62 : x
2. Step 2: Convert to fraction form
   22,238.48/30,684.23 = 13,284.62/x
3. Step 3: Cross multiply
   22,238.48x = 30,684.23 × 13,284.62
4. Step 4: Simplify right side
   22,238.48x = 407,628,335.54
5. Step 5: Solve for x
   x = 407,628,335.54/22,238.48
6. Step 6: Final answer
   x = 18,329.86