Finding the Fourth Proportional to 2,758.27, 3,807.51 and 1,919.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.27 : 3,807.51 = 1,919.46 : x
2. Step 2: Convert to fraction form
   2,758.27/3,807.51 = 1,919.46/x
3. Step 3: Cross multiply
   2,758.27x = 3,807.51 × 1,919.46
4. Step 4: Simplify right side
   2,758.27x = 7,308,363.14
5. Step 5: Solve for x
   x = 7,308,363.14/2,758.27
6. Step 6: Final answer
   x = 2,649.62