Finding the Fourth Proportional to 2,462.72, 3,693.57 and 818.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462.72 : 3,693.57 = 818.83 : x
2. Step 2: Convert to fraction form
   2,462.72/3,693.57 = 818.83/x
3. Step 3: Cross multiply
   2,462.72x = 3,693.57 × 818.83
4. Step 4: Simplify right side
   2,462.72x = 3,024,386.69
5. Step 5: Solve for x
   x = 3,024,386.69/2,462.72
6. Step 6: Final answer
   x = 1,228.07