Finding the Fourth Proportional to 498.96, 688.28 and 341.52

Step by Step Solution

1. Step 1: Write the proportion equation
   498.96 : 688.28 = 341.52 : x
2. Step 2: Convert to fraction form
   498.96/688.28 = 341.52/x
3. Step 3: Cross multiply
   498.96x = 688.28 × 341.52
4. Step 4: Simplify right side
   498.96x = 235,061.39
5. Step 5: Solve for x
   x = 235,061.39/498.96
6. Step 6: Final answer
   x = 471.10