Finding the Fourth Proportional to 22,258.69, 30,717 and 12,322.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,258.69 : 30,717 = 12,322.69 : x
2. Step 2: Convert to fraction form
   22,258.69/30,717 = 12,322.69/x
3. Step 3: Cross multiply
   22,258.69x = 30,717 × 12,322.69
4. Step 4: Simplify right side
   22,258.69x = 378,515,991.94
5. Step 5: Solve for x
   x = 378,515,991.94/22,258.69
6. Step 6: Final answer
   x = 17,005.31