Finding the Fourth Proportional to 22,469.52, 31,007.88 and 12,398.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,469.52 : 31,007.88 = 12,398.04 : x
2. Step 2: Convert to fraction form
   22,469.52/31,007.88 = 12,398.04/x
3. Step 3: Cross multiply
   22,469.52x = 31,007.88 × 12,398.04
4. Step 4: Simplify right side
   22,469.52x = 384,436,936.56
5. Step 5: Solve for x
   x = 384,436,936.56/22,469.52
6. Step 6: Final answer
   x = 17,109.26