Finding the Fourth Proportional to 22,630.56, 31,227.62 and 12,556.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,630.56 : 31,227.62 = 12,556.38 : x
2. Step 2: Convert to fraction form
   22,630.56/31,227.62 = 12,556.38/x
3. Step 3: Cross multiply
   22,630.56x = 31,227.62 × 12,556.38
4. Step 4: Simplify right side
   22,630.56x = 392,105,800.43
5. Step 5: Solve for x
   x = 392,105,800.43/22,630.56
6. Step 6: Final answer
   x = 17,326.39