Finding the Fourth Proportional to 2,626.04, 3,941.49 and 1,328.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.04 : 3,941.49 = 1,328.42 : x
2. Step 2: Convert to fraction form
   2,626.04/3,941.49 = 1,328.42/x
3. Step 3: Cross multiply
   2,626.04x = 3,941.49 × 1,328.42
4. Step 4: Simplify right side
   2,626.04x = 5,235,954.15
5. Step 5: Solve for x
   x = 5,235,954.15/2,626.04
6. Step 6: Final answer
   x = 1,993.86