Finding the Fourth Proportional to 1,367.27, 2,053.98 and 819.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.27 : 2,053.98 = 819.83 : x
2. Step 2: Convert to fraction form
   1,367.27/2,053.98 = 819.83/x
3. Step 3: Cross multiply
   1,367.27x = 2,053.98 × 819.83
4. Step 4: Simplify right side
   1,367.27x = 1,683,904.15
5. Step 5: Solve for x
   x = 1,683,904.15/1,367.27
6. Step 6: Final answer
   x = 1,231.59