Finding the Fourth Proportional to 2,088.91, 3,133.25 and 856.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.91 : 3,133.25 = 856.27 : x
2. Step 2: Convert to fraction form
   2,088.91/3,133.25 = 856.27/x
3. Step 3: Cross multiply
   2,088.91x = 3,133.25 × 856.27
4. Step 4: Simplify right side
   2,088.91x = 2,682,888.03
5. Step 5: Solve for x
   x = 2,682,888.03/2,088.91
6. Step 6: Final answer
   x = 1,284.35