Finding the Fourth Proportional to 22,297.14, 30,772.71 and 12,865.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,297.14 : 30,772.71 = 12,865.50 : x
2. Step 2: Convert to fraction form
   22,297.14/30,772.71 = 12,865.50/x
3. Step 3: Cross multiply
   22,297.14x = 30,772.71 × 12,865.50
4. Step 4: Simplify right side
   22,297.14x = 395,906,300.51
5. Step 5: Solve for x
   x = 395,906,300.51/22,297.14
6. Step 6: Final answer
   x = 17,755.92