Finding the Fourth Proportional to 498.24, 743.52 and 443.70

Step by Step Solution

1. Step 1: Write the proportion equation
   498.24 : 743.52 = 443.70 : x
2. Step 2: Convert to fraction form
   498.24/743.52 = 443.70/x
3. Step 3: Cross multiply
   498.24x = 743.52 × 443.70
4. Step 4: Simplify right side
   498.24x = 329,899.82
5. Step 5: Solve for x
   x = 329,899.82/498.24
6. Step 6: Final answer
   x = 662.13