Finding the Fourth Proportional to 2,462.94, 3,694.59 and 820.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462.94 : 3,694.59 = 820.62 : x
2. Step 2: Convert to fraction form
   2,462.94/3,694.59 = 820.62/x
3. Step 3: Cross multiply
   2,462.94x = 3,694.59 × 820.62
4. Step 4: Simplify right side
   2,462.94x = 3,031,854.45
5. Step 5: Solve for x
   x = 3,031,854.45/2,462.94
6. Step 6: Final answer
   x = 1,230.99