Finding the Fourth Proportional to 2,776.29, 3,831.22 and 1,517.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776.29 : 3,831.22 = 1,517.31 : x
2. Step 2: Convert to fraction form
   2,776.29/3,831.22 = 1,517.31/x
3. Step 3: Cross multiply
   2,776.29x = 3,831.22 × 1,517.31
4. Step 4: Simplify right side
   2,776.29x = 5,813,148.42
5. Step 5: Solve for x
   x = 5,813,148.42/2,776.29
6. Step 6: Final answer
   x = 2,093.85