Finding the Fourth Proportional to 2,462.67, 3,692.79 and 819.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462.67 : 3,692.79 = 819.18 : x
2. Step 2: Convert to fraction form
   2,462.67/3,692.79 = 819.18/x
3. Step 3: Cross multiply
   2,462.67x = 3,692.79 × 819.18
4. Step 4: Simplify right side
   2,462.67x = 3,025,059.71
5. Step 5: Solve for x
   x = 3,025,059.71/2,462.67
6. Step 6: Final answer
   x = 1,228.37