Finding the Fourth Proportional to 23,071.91, 31,843.28 and 22,020.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,071.91 : 31,843.28 = 22,020.10 : x
2. Step 2: Convert to fraction form
   23,071.91/31,843.28 = 22,020.10/x
3. Step 3: Cross multiply
   23,071.91x = 31,843.28 × 22,020.10
4. Step 4: Simplify right side
   23,071.91x = 701,192,185.37
5. Step 5: Solve for x
   x = 701,192,185.37/23,071.91
6. Step 6: Final answer
   x = 30,391.60