Finding the Fourth Proportional to 2,463.35, 3,693.33 and 819.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,463.35 : 3,693.33 = 819.72 : x
2. Step 2: Convert to fraction form
   2,463.35/3,693.33 = 819.72/x
3. Step 3: Cross multiply
   2,463.35x = 3,693.33 × 819.72
4. Step 4: Simplify right side
   2,463.35x = 3,027,496.47
5. Step 5: Solve for x
   x = 3,027,496.47/2,463.35
6. Step 6: Final answer
   x = 1,229.02