Finding the Fourth Proportional to 3,399.72, 4,694.38 and 2,770.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.72 : 4,694.38 = 2,770.34 : x
2. Step 2: Convert to fraction form
   3,399.72/4,694.38 = 2,770.34/x
3. Step 3: Cross multiply
   3,399.72x = 4,694.38 × 2,770.34
4. Step 4: Simplify right side
   3,399.72x = 13,005,028.69
5. Step 5: Solve for x
   x = 13,005,028.69/3,399.72
6. Step 6: Final answer
   x = 3,825.32