Finding the Fourth Proportional to 404.37, 606.83 and 187.97

Step by Step Solution

1. Step 1: Write the proportion equation
   404.37 : 606.83 = 187.97 : x
2. Step 2: Convert to fraction form
   404.37/606.83 = 187.97/x
3. Step 3: Cross multiply
   404.37x = 606.83 × 187.97
4. Step 4: Simplify right side
   404.37x = 114,061.86
5. Step 5: Solve for x
   x = 114,061.86/404.37
6. Step 6: Final answer
   x = 282.07