Finding the Fourth Proportional to 2,088.52, 3,132.69 and 855.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.52 : 3,132.69 = 855.58 : x
2. Step 2: Convert to fraction form
   2,088.52/3,132.69 = 855.58/x
3. Step 3: Cross multiply
   2,088.52x = 3,132.69 × 855.58
4. Step 4: Simplify right side
   2,088.52x = 2,680,266.91
5. Step 5: Solve for x
   x = 2,680,266.91/2,088.52
6. Step 6: Final answer
   x = 1,283.33