Finding the Fourth Proportional to 2,463.37, 3,692.47 and 819.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,463.37 : 3,692.47 = 819.47 : x
2. Step 2: Convert to fraction form
   2,463.37/3,692.47 = 819.47/x
3. Step 3: Cross multiply
   2,463.37x = 3,692.47 × 819.47
4. Step 4: Simplify right side
   2,463.37x = 3,025,875.57
5. Step 5: Solve for x
   x = 3,025,875.57/2,463.37
6. Step 6: Final answer
   x = 1,228.35