Finding the Fourth Proportional to 21,923.22, 30,256.02 and 12,494.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,923.22 : 30,256.02 = 12,494.82 : x
2. Step 2: Convert to fraction form
   21,923.22/30,256.02 = 12,494.82/x
3. Step 3: Cross multiply
   21,923.22x = 30,256.02 × 12,494.82
4. Step 4: Simplify right side
   21,923.22x = 378,043,523.82
5. Step 5: Solve for x
   x = 378,043,523.82/21,923.22
6. Step 6: Final answer
   x = 17,243.98