Finding the Fourth Proportional to 2,026.97, 3,039.17 and 856.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.97 : 3,039.17 = 856.37 : x
2. Step 2: Convert to fraction form
   2,026.97/3,039.17 = 856.37/x
3. Step 3: Cross multiply
   2,026.97x = 3,039.17 × 856.37
4. Step 4: Simplify right side
   2,026.97x = 2,602,634.54
5. Step 5: Solve for x
   x = 2,602,634.54/2,026.97
6. Step 6: Final answer
   x = 1,284.01