Finding the Fourth Proportional to 1,042.04, 1,562.68 and 311.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042.04 : 1,562.68 = 311.37 : x
2. Step 2: Convert to fraction form
   1,042.04/1,562.68 = 311.37/x
3. Step 3: Cross multiply
   1,042.04x = 1,562.68 × 311.37
4. Step 4: Simplify right side
   1,042.04x = 486,570.89
5. Step 5: Solve for x
   x = 486,570.89/1,042.04
6. Step 6: Final answer
   x = 466.94