Finding the Fourth Proportional to 2,776.32, 3,831.30 and 1,517.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776.32 : 3,831.30 = 1,517.40 : x
2. Step 2: Convert to fraction form
   2,776.32/3,831.30 = 1,517.40/x
3. Step 3: Cross multiply
   2,776.32x = 3,831.30 × 1,517.40
4. Step 4: Simplify right side
   2,776.32x = 5,813,614.62
5. Step 5: Solve for x
   x = 5,813,614.62/2,776.32
6. Step 6: Final answer
   x = 2,094.00