Finding the Fourth Proportional to 35,550.42, 49,057.56 and 20,440.68

Step by Step Solution

1. Step 1: Write the proportion equation
   35,550.42 : 49,057.56 = 20,440.68 : x
2. Step 2: Convert to fraction form
   35,550.42/49,057.56 = 20,440.68/x
3. Step 3: Cross multiply
   35,550.42x = 49,057.56 × 20,440.68
4. Step 4: Simplify right side
   35,550.42x = 1,002,769,885.54
5. Step 5: Solve for x
   x = 1,002,769,885.54/35,550.42
6. Step 6: Final answer
   x = 28,206.98