Finding the Fourth Proportional to 22,519.62, 31,076.73 and 12,447.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,519.62 : 31,076.73 = 12,447.27 : x
2. Step 2: Convert to fraction form
   22,519.62/31,076.73 = 12,447.27/x
3. Step 3: Cross multiply
   22,519.62x = 31,076.73 × 12,447.27
4. Step 4: Simplify right side
   22,519.62x = 386,820,449.03
5. Step 5: Solve for x
   x = 386,820,449.03/22,519.62
6. Step 6: Final answer
   x = 17,177.04