Finding the Fourth Proportional to 3,401.28, 4,693.89 and 2,074.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.28 : 4,693.89 = 2,074.05 : x
2. Step 2: Convert to fraction form
   3,401.28/4,693.89 = 2,074.05/x
3. Step 3: Cross multiply
   3,401.28x = 4,693.89 × 2,074.05
4. Step 4: Simplify right side
   3,401.28x = 9,735,362.55
5. Step 5: Solve for x
   x = 9,735,362.55/3,401.28
6. Step 6: Final answer
   x = 2,862.26