Finding the Fourth Proportional to 22,229.10, 33,181.38 and 19,426.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,229.10 : 33,181.38 = 19,426.50 : x
2. Step 2: Convert to fraction form
   22,229.10/33,181.38 = 19,426.50/x
3. Step 3: Cross multiply
   22,229.10x = 33,181.38 × 19,426.50
4. Step 4: Simplify right side
   22,229.10x = 644,598,078.57
5. Step 5: Solve for x
   x = 644,598,078.57/22,229.10
6. Step 6: Final answer
   x = 28,997.94