Finding the Fourth Proportional to 2,215.03, 3,310.46 and 2,039.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.03 : 3,310.46 = 2,039.89 : x
2. Step 2: Convert to fraction form
   2,215.03/3,310.46 = 2,039.89/x
3. Step 3: Cross multiply
   2,215.03x = 3,310.46 × 2,039.89
4. Step 4: Simplify right side
   2,215.03x = 6,752,974.25
5. Step 5: Solve for x
   x = 6,752,974.25/2,215.03
6. Step 6: Final answer
   x = 3,048.71