Finding the Fourth Proportional to 22,171.76, 30,597.30 and 13,224.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,171.76 : 30,597.30 = 13,224.36 : x
2. Step 2: Convert to fraction form
   22,171.76/30,597.30 = 13,224.36/x
3. Step 3: Cross multiply
   22,171.76x = 30,597.30 × 13,224.36
4. Step 4: Simplify right side
   22,171.76x = 404,629,710.23
5. Step 5: Solve for x
   x = 404,629,710.23/22,171.76
6. Step 6: Final answer
   x = 18,249.78