Finding the Fourth Proportional to 3,519.89, 5,281.04 and 2,354.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,519.89 : 5,281.04 = 2,354.57 : x
2. Step 2: Convert to fraction form
   3,519.89/5,281.04 = 2,354.57/x
3. Step 3: Cross multiply
   3,519.89x = 5,281.04 × 2,354.57
4. Step 4: Simplify right side
   3,519.89x = 12,434,540.17
5. Step 5: Solve for x
   x = 12,434,540.17/3,519.89
6. Step 6: Final answer
   x = 3,532.66