Finding the Fourth Proportional to 2,463, 3,693.57 and 819.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,463 : 3,693.57 = 819.30 : x
2. Step 2: Convert to fraction form
   2,463/3,693.57 = 819.30/x
3. Step 3: Cross multiply
   2,463x = 3,693.57 × 819.30
4. Step 4: Simplify right side
   2,463x = 3,026,141.90
5. Step 5: Solve for x
   x = 3,026,141.90/2,463
6. Step 6: Final answer
   x = 1,228.64