Finding the Fourth Proportional to 498.01, 746.98 and 132.79

Step by Step Solution

1. Step 1: Write the proportion equation
   498.01 : 746.98 = 132.79 : x
2. Step 2: Convert to fraction form
   498.01/746.98 = 132.79/x
3. Step 3: Cross multiply
   498.01x = 746.98 × 132.79
4. Step 4: Simplify right side
   498.01x = 99,191.47
5. Step 5: Solve for x
   x = 99,191.47/498.01
6. Step 6: Final answer
   x = 199.18