Finding the Fourth Proportional to 2,089.33, 3,132.17 and 856.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.33 : 3,132.17 = 856.41 : x
2. Step 2: Convert to fraction form
   2,089.33/3,132.17 = 856.41/x
3. Step 3: Cross multiply
   2,089.33x = 3,132.17 × 856.41
4. Step 4: Simplify right side
   2,089.33x = 2,682,408.89
5. Step 5: Solve for x
   x = 2,682,408.89/2,089.33
6. Step 6: Final answer
   x = 1,283.86