Finding the Fourth Proportional to 2,776.70, 3,831.72 and 1,517.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776.70 : 3,831.72 = 1,517.69 : x
2. Step 2: Convert to fraction form
   2,776.70/3,831.72 = 1,517.69/x
3. Step 3: Cross multiply
   2,776.70x = 3,831.72 × 1,517.69
4. Step 4: Simplify right side
   2,776.70x = 5,815,372.71
5. Step 5: Solve for x
   x = 5,815,372.71/2,776.70
6. Step 6: Final answer
   x = 2,094.35