Finding the Fourth Proportional to 498.99, 748.61 and 444.52

Step by Step Solution

1. Step 1: Write the proportion equation
   498.99 : 748.61 = 444.52 : x
2. Step 2: Convert to fraction form
   498.99/748.61 = 444.52/x
3. Step 3: Cross multiply
   498.99x = 748.61 × 444.52
4. Step 4: Simplify right side
   498.99x = 332,768.37
5. Step 5: Solve for x
   x = 332,768.37/498.99
6. Step 6: Final answer
   x = 666.89