Finding the Fourth Proportional to 300.15, 449.69 and 184.42

Step by Step Solution

1. Step 1: Write the proportion equation
   300.15 : 449.69 = 184.42 : x
2. Step 2: Convert to fraction form
   300.15/449.69 = 184.42/x
3. Step 3: Cross multiply
   300.15x = 449.69 × 184.42
4. Step 4: Simplify right side
   300.15x = 82,929.78
5. Step 5: Solve for x
   x = 82,929.78/300.15
6. Step 6: Final answer
   x = 276.29