Finding the Fourth Proportional to 3,084.48, 4,255.82 and 2,089.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,084.48 : 4,255.82 = 2,089.40 : x
2. Step 2: Convert to fraction form
   3,084.48/4,255.82 = 2,089.40/x
3. Step 3: Cross multiply
   3,084.48x = 4,255.82 × 2,089.40
4. Step 4: Simplify right side
   3,084.48x = 8,892,094.25
5. Step 5: Solve for x
   x = 8,892,094.25/3,084.48
6. Step 6: Final answer
   x = 2,882.85