Finding the Fourth Proportional to 1,665.37, 2,498.42 and 495.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.37 : 2,498.42 = 495.33 : x
2. Step 2: Convert to fraction form
   1,665.37/2,498.42 = 495.33/x
3. Step 3: Cross multiply
   1,665.37x = 2,498.42 × 495.33
4. Step 4: Simplify right side
   1,665.37x = 1,237,542.38
5. Step 5: Solve for x
   x = 1,237,542.38/1,665.37
6. Step 6: Final answer
   x = 743.10