Finding the Fourth Proportional to 22,797.43, 31,447.31 and 13,716.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,797.43 : 31,447.31 = 13,716.50 : x
2. Step 2: Convert to fraction form
   22,797.43/31,447.31 = 13,716.50/x
3. Step 3: Cross multiply
   22,797.43x = 31,447.31 × 13,716.50
4. Step 4: Simplify right side
   22,797.43x = 431,346,801.80
5. Step 5: Solve for x
   x = 431,346,801.80/22,797.43
6. Step 6: Final answer
   x = 18,920.85