Finding the Fourth Proportional to 3,819.03, 5,724.60 and 2,258.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,819.03 : 5,724.60 = 2,258.72 : x
2. Step 2: Convert to fraction form
   3,819.03/5,724.60 = 2,258.72/x
3. Step 3: Cross multiply
   3,819.03x = 5,724.60 × 2,258.72
4. Step 4: Simplify right side
   3,819.03x = 12,930,239.89
5. Step 5: Solve for x
   x = 12,930,239.89/3,819.03
6. Step 6: Final answer
   x = 3,385.74