Finding the Fourth Proportional to 2,088.24, 3,132.25 and 855.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.24 : 3,132.25 = 855.34 : x
2. Step 2: Convert to fraction form
   2,088.24/3,132.25 = 855.34/x
3. Step 3: Cross multiply
   2,088.24x = 3,132.25 × 855.34
4. Step 4: Simplify right side
   2,088.24x = 2,679,138.72
5. Step 5: Solve for x
   x = 2,679,138.72/2,088.24
6. Step 6: Final answer
   x = 1,282.96