Finding the Fourth Proportional to 22,196.22, 30,637.35 and 12,771.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,196.22 : 30,637.35 = 12,771.42 : x
2. Step 2: Convert to fraction form
   22,196.22/30,637.35 = 12,771.42/x
3. Step 3: Cross multiply
   22,196.22x = 30,637.35 × 12,771.42
4. Step 4: Simplify right side
   22,196.22x = 391,282,464.54
5. Step 5: Solve for x
   x = 391,282,464.54/22,196.22
6. Step 6: Final answer
   x = 17,628.34