Finding the Fourth Proportional to 2,626.30, 3,941.86 and 1,328.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.30 : 3,941.86 = 1,328.68 : x
2. Step 2: Convert to fraction form
   2,626.30/3,941.86 = 1,328.68/x
3. Step 3: Cross multiply
   2,626.30x = 3,941.86 × 1,328.68
4. Step 4: Simplify right side
   2,626.30x = 5,237,470.54
5. Step 5: Solve for x
   x = 5,237,470.54/2,626.30
6. Step 6: Final answer
   x = 1,994.24