Finding the Fourth Proportional to 2,776.73, 3,831.90 and 1,517.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776.73 : 3,831.90 = 1,517.78 : x
2. Step 2: Convert to fraction form
   2,776.73/3,831.90 = 1,517.78/x
3. Step 3: Cross multiply
   2,776.73x = 3,831.90 × 1,517.78
4. Step 4: Simplify right side
   2,776.73x = 5,815,981.18
5. Step 5: Solve for x
   x = 5,815,981.18/2,776.73
6. Step 6: Final answer
   x = 2,094.54