Finding the Fourth Proportional to 21,906.44, 32,849.76 and 10,223

Step by Step Solution

1. Step 1: Write the proportion equation
   21,906.44 : 32,849.76 = 10,223 : x
2. Step 2: Convert to fraction form
   21,906.44/32,849.76 = 10,223/x
3. Step 3: Cross multiply
   21,906.44x = 32,849.76 × 10,223
4. Step 4: Simplify right side
   21,906.44x = 335,823,096.48
5. Step 5: Solve for x
   x = 335,823,096.48/21,906.44
6. Step 6: Final answer
   x = 15,329.88