Finding the Fourth Proportional to 22,156.50, 33,387.60 and 20,076.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,156.50 : 33,387.60 = 20,076.42 : x
2. Step 2: Convert to fraction form
   22,156.50/33,387.60 = 20,076.42/x
3. Step 3: Cross multiply
   22,156.50x = 33,387.60 × 20,076.42
4. Step 4: Simplify right side
   22,156.50x = 670,303,480.39
5. Step 5: Solve for x
   x = 670,303,480.39/22,156.50
6. Step 6: Final answer
   x = 30,253.13