Finding the Fourth Proportional to 3,281.89, 4,530.89 and 2,162.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,281.89 : 4,530.89 = 2,162.42 : x
2. Step 2: Convert to fraction form
   3,281.89/4,530.89 = 2,162.42/x
3. Step 3: Cross multiply
   3,281.89x = 4,530.89 × 2,162.42
4. Step 4: Simplify right side
   3,281.89x = 9,797,687.15
5. Step 5: Solve for x
   x = 9,797,687.15/3,281.89
6. Step 6: Final answer
   x = 2,985.38