Finding the Fourth Proportional to 22,282.82, 30,749.10 and 12,722.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,282.82 : 30,749.10 = 12,722.33 : x
2. Step 2: Convert to fraction form
   22,282.82/30,749.10 = 12,722.33/x
3. Step 3: Cross multiply
   22,282.82x = 30,749.10 × 12,722.33
4. Step 4: Simplify right side
   22,282.82x = 391,200,197.40
5. Step 5: Solve for x
   x = 391,200,197.40/22,282.82
6. Step 6: Final answer
   x = 17,556.14