Finding the Fourth Proportional to 2,627.79, 3,943.41 and 1,396.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.79 : 3,943.41 = 1,396.09 : x
2. Step 2: Convert to fraction form
   2,627.79/3,943.41 = 1,396.09/x
3. Step 3: Cross multiply
   2,627.79x = 3,943.41 × 1,396.09
4. Step 4: Simplify right side
   2,627.79x = 5,505,355.27
5. Step 5: Solve for x
   x = 5,505,355.27/2,627.79
6. Step 6: Final answer
   x = 2,095.05