Finding the Fourth Proportional to 498.82, 748.32 and 152.17

Step by Step Solution

1. Step 1: Write the proportion equation
   498.82 : 748.32 = 152.17 : x
2. Step 2: Convert to fraction form
   498.82/748.32 = 152.17/x
3. Step 3: Cross multiply
   498.82x = 748.32 × 152.17
4. Step 4: Simplify right side
   498.82x = 113,871.85
5. Step 5: Solve for x
   x = 113,871.85/498.82
6. Step 6: Final answer
   x = 228.28