Finding the Fourth Proportional to 1,362.62, 2,042.52 and 540.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.62 : 2,042.52 = 540.27 : x
2. Step 2: Convert to fraction form
   1,362.62/2,042.52 = 540.27/x
3. Step 3: Cross multiply
   1,362.62x = 2,042.52 × 540.27
4. Step 4: Simplify right side
   1,362.62x = 1,103,510.25
5. Step 5: Solve for x
   x = 1,103,510.25/1,362.62
6. Step 6: Final answer
   x = 809.84