Finding the Fourth Proportional to 404.42, 606.42 and 185.02

Step by Step Solution

1. Step 1: Write the proportion equation
   404.42 : 606.42 = 185.02 : x
2. Step 2: Convert to fraction form
   404.42/606.42 = 185.02/x
3. Step 3: Cross multiply
   404.42x = 606.42 × 185.02
4. Step 4: Simplify right side
   404.42x = 112,198.31
5. Step 5: Solve for x
   x = 112,198.31/404.42
6. Step 6: Final answer
   x = 277.43