Finding the Fourth Proportional to 844.69, 1,267.25 and 498.31

Step by Step Solution

1. Step 1: Write the proportion equation
   844.69 : 1,267.25 = 498.31 : x
2. Step 2: Convert to fraction form
   844.69/1,267.25 = 498.31/x
3. Step 3: Cross multiply
   844.69x = 1,267.25 × 498.31
4. Step 4: Simplify right side
   844.69x = 631,483.35
5. Step 5: Solve for x
   x = 631,483.35/844.69
6. Step 6: Final answer
   x = 747.59