Finding the Fourth Proportional to 1,362.42, 2,042.82 and 495.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.42 : 2,042.82 = 495.72 : x
2. Step 2: Convert to fraction form
   1,362.42/2,042.82 = 495.72/x
3. Step 3: Cross multiply
   1,362.42x = 2,042.82 × 495.72
4. Step 4: Simplify right side
   1,362.42x = 1,012,666.73
5. Step 5: Solve for x
   x = 1,012,666.73/1,362.42
6. Step 6: Final answer
   x = 743.29