Finding the Fourth Proportional to 498.37, 747.56 and 151.71

Step by Step Solution

1. Step 1: Write the proportion equation
   498.37 : 747.56 = 151.71 : x
2. Step 2: Convert to fraction form
   498.37/747.56 = 151.71/x
3. Step 3: Cross multiply
   498.37x = 747.56 × 151.71
4. Step 4: Simplify right side
   498.37x = 113,412.33
5. Step 5: Solve for x
   x = 113,412.33/498.37
6. Step 6: Final answer
   x = 227.57