Finding the Fourth Proportional to 22,883.52, 31,582.23 and 12,815.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,883.52 : 31,582.23 = 12,815.79 : x
2. Step 2: Convert to fraction form
   22,883.52/31,582.23 = 12,815.79/x
3. Step 3: Cross multiply
   22,883.52x = 31,582.23 × 12,815.79
4. Step 4: Simplify right side
   22,883.52x = 404,751,227.41
5. Step 5: Solve for x
   x = 404,751,227.41/22,883.52
6. Step 6: Final answer
   x = 17,687.45