Finding the Fourth Proportional to 300.51, 414.72 and 176.17

Step by Step Solution

1. Step 1: Write the proportion equation
   300.51 : 414.72 = 176.17 : x
2. Step 2: Convert to fraction form
   300.51/414.72 = 176.17/x
3. Step 3: Cross multiply
   300.51x = 414.72 × 176.17
4. Step 4: Simplify right side
   300.51x = 73,061.22
5. Step 5: Solve for x
   x = 73,061.22/300.51
6. Step 6: Final answer
   x = 243.12