Finding the Fourth Proportional to 304.88, 457.52 and 196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   304.88 : 457.52 = 196.72 : x
2. Step 2: Convert to fraction form
   304.88/457.52 = 196.72/x
3. Step 3: Cross multiply
   304.88x = 457.52 × 196.72
4. Step 4: Simplify right side
   304.88x = 90,003.33
5. Step 5: Solve for x
   x = 90,003.33/304.88
6. Step 6: Final answer
   x = 295.21