Finding the Fourth Proportional to 498.69, 747.76 and 201.94

Step by Step Solution

1. Step 1: Write the proportion equation
   498.69 : 747.76 = 201.94 : x
2. Step 2: Convert to fraction form
   498.69/747.76 = 201.94/x
3. Step 3: Cross multiply
   498.69x = 747.76 × 201.94
4. Step 4: Simplify right side
   498.69x = 150,998.92
5. Step 5: Solve for x
   x = 150,998.92/498.69
6. Step 6: Final answer
   x = 302.79