Finding the Fourth Proportional to 36,350.89, 50,168.72 and 20,435

Step by Step Solution

1. Step 1: Write the proportion equation
   36,350.89 : 50,168.72 = 20,435 : x
2. Step 2: Convert to fraction form
   36,350.89/50,168.72 = 20,435/x
3. Step 3: Cross multiply
   36,350.89x = 50,168.72 × 20,435
4. Step 4: Simplify right side
   36,350.89x = 1,025,197,793.20
5. Step 5: Solve for x
   x = 1,025,197,793.20/36,350.89
6. Step 6: Final answer
   x = 28,202.83