Finding the Fourth Proportional to 2,462.45, 3,693.71 and 819.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462.45 : 3,693.71 = 819.00 : x
2. Step 2: Convert to fraction form
   2,462.45/3,693.71 = 819.00/x
3. Step 3: Cross multiply
   2,462.45x = 3,693.71 × 819.00
4. Step 4: Simplify right side
   2,462.45x = 3,025,148.45
5. Step 5: Solve for x
   x = 3,025,148.45/2,462.45
6. Step 6: Final answer
   x = 1,228.51