Finding the Fourth Proportional to 498.48, 747.59 and 322.25

Step by Step Solution

1. Step 1: Write the proportion equation
   498.48 : 747.59 = 322.25 : x
2. Step 2: Convert to fraction form
   498.48/747.59 = 322.25/x
3. Step 3: Cross multiply
   498.48x = 747.59 × 322.25
4. Step 4: Simplify right side
   498.48x = 240,910.88
5. Step 5: Solve for x
   x = 240,910.88/498.48
6. Step 6: Final answer
   x = 483.29