Finding the Fourth Proportional to 22,920.33, 31,623.95 and 13,227.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,920.33 : 31,623.95 = 13,227.33 : x
2. Step 2: Convert to fraction form
   22,920.33/31,623.95 = 13,227.33/x
3. Step 3: Cross multiply
   22,920.33x = 31,623.95 × 13,227.33
4. Step 4: Simplify right side
   22,920.33x = 418,300,422.55
5. Step 5: Solve for x
   x = 418,300,422.55/22,920.33
6. Step 6: Final answer
   x = 18,250.19