Finding the Fourth Proportional to 22,279.24, 30,743.31 and 12,845.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,279.24 : 30,743.31 = 12,845.98 : x
2. Step 2: Convert to fraction form
   22,279.24/30,743.31 = 12,845.98/x
3. Step 3: Cross multiply
   22,279.24x = 30,743.31 × 12,845.98
4. Step 4: Simplify right side
   22,279.24x = 394,927,945.39
5. Step 5: Solve for x
   x = 394,927,945.39/22,279.24
6. Step 6: Final answer
   x = 17,726.28