Finding the Fourth Proportional to 960.17, 1,441.18 and 498.27

Step by Step Solution

1. Step 1: Write the proportion equation
   960.17 : 1,441.18 = 498.27 : x
2. Step 2: Convert to fraction form
   960.17/1,441.18 = 498.27/x
3. Step 3: Cross multiply
   960.17x = 1,441.18 × 498.27
4. Step 4: Simplify right side
   960.17x = 718,096.76
5. Step 5: Solve for x
   x = 718,096.76/960.17
6. Step 6: Final answer
   x = 747.89