Finding the Fourth Proportional to 3,399.77, 5,096.72 and 2,819.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.77 : 5,096.72 = 2,819.61 : x
2. Step 2: Convert to fraction form
   3,399.77/5,096.72 = 2,819.61/x
3. Step 3: Cross multiply
   3,399.77x = 5,096.72 × 2,819.61
4. Step 4: Simplify right side
   3,399.77x = 14,370,769.73
5. Step 5: Solve for x
   x = 14,370,769.73/3,399.77
6. Step 6: Final answer
   x = 4,226.98