Finding the Fourth Proportional to 404.82, 606.69 and 185.47

Step by Step Solution

1. Step 1: Write the proportion equation
   404.82 : 606.69 = 185.47 : x
2. Step 2: Convert to fraction form
   404.82/606.69 = 185.47/x
3. Step 3: Cross multiply
   404.82x = 606.69 × 185.47
4. Step 4: Simplify right side
   404.82x = 112,522.79
5. Step 5: Solve for x
   x = 112,522.79/404.82
6. Step 6: Final answer
   x = 277.96