Finding the Fourth Proportional to 22,020.63, 30,383.73 and 13,071.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,020.63 : 30,383.73 = 13,071.09 : x
2. Step 2: Convert to fraction form
   22,020.63/30,383.73 = 13,071.09/x
3. Step 3: Cross multiply
   22,020.63x = 30,383.73 × 13,071.09
4. Step 4: Simplify right side
   22,020.63x = 397,148,469.37
5. Step 5: Solve for x
   x = 397,148,469.37/22,020.63
6. Step 6: Final answer
   x = 18,035.29