Finding the Fourth Proportional to 300.05, 414.06 and 162.05

Step by Step Solution

1. Step 1: Write the proportion equation
   300.05 : 414.06 = 162.05 : x
2. Step 2: Convert to fraction form
   300.05/414.06 = 162.05/x
3. Step 3: Cross multiply
   300.05x = 414.06 × 162.05
4. Step 4: Simplify right side
   300.05x = 67,097.89
5. Step 5: Solve for x
   x = 67,097.89/300.05
6. Step 6: Final answer
   x = 223.62