Finding the Fourth Proportional to 2,039.03, 2,792.77 and 1,919.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.03 : 2,792.77 = 1,919.33 : x
2. Step 2: Convert to fraction form
   2,039.03/2,792.77 = 1,919.33/x
3. Step 3: Cross multiply
   2,039.03x = 2,792.77 × 1,919.33
4. Step 4: Simplify right side
   2,039.03x = 5,360,249.43
5. Step 5: Solve for x
   x = 5,360,249.43/2,039.03
6. Step 6: Final answer
   x = 2,628.83