Finding the Fourth Proportional to 2,461.71, 3,693.20 and 818.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,461.71 : 3,693.20 = 818.27 : x
2. Step 2: Convert to fraction form
   2,461.71/3,693.20 = 818.27/x
3. Step 3: Cross multiply
   2,461.71x = 3,693.20 × 818.27
4. Step 4: Simplify right side
   2,461.71x = 3,022,034.76
5. Step 5: Solve for x
   x = 3,022,034.76/2,461.71
6. Step 6: Final answer
   x = 1,227.62