Finding the Fourth Proportional to 300.59, 414.69 and 176.31

Step by Step Solution

1. Step 1: Write the proportion equation
   300.59 : 414.69 = 176.31 : x
2. Step 2: Convert to fraction form
   300.59/414.69 = 176.31/x
3. Step 3: Cross multiply
   300.59x = 414.69 × 176.31
4. Step 4: Simplify right side
   300.59x = 73,113.33
5. Step 5: Solve for x
   x = 73,113.33/300.59
6. Step 6: Final answer
   x = 243.23