Finding the Fourth Proportional to 22,439.17, 30,965.88 and 12,367.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,439.17 : 30,965.88 = 12,367.63 : x
2. Step 2: Convert to fraction form
   22,439.17/30,965.88 = 12,367.63/x
3. Step 3: Cross multiply
   22,439.17x = 30,965.88 × 12,367.63
4. Step 4: Simplify right side
   22,439.17x = 382,974,469.05
5. Step 5: Solve for x
   x = 382,974,469.05/22,439.17
6. Step 6: Final answer
   x = 17,067.23