Finding the Fourth Proportional to 498.09, 747.17 and 132.89

Step by Step Solution

1. Step 1: Write the proportion equation
   498.09 : 747.17 = 132.89 : x
2. Step 2: Convert to fraction form
   498.09/747.17 = 132.89/x
3. Step 3: Cross multiply
   498.09x = 747.17 × 132.89
4. Step 4: Simplify right side
   498.09x = 99,287.52
5. Step 5: Solve for x
   x = 99,287.52/498.09
6. Step 6: Final answer
   x = 199.34