Finding the Fourth Proportional to 2,103.96, 3,155.89 and 717.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.96 : 3,155.89 = 717.27 : x
2. Step 2: Convert to fraction form
   2,103.96/3,155.89 = 717.27/x
3. Step 3: Cross multiply
   2,103.96x = 3,155.89 × 717.27
4. Step 4: Simplify right side
   2,103.96x = 2,263,625.22
5. Step 5: Solve for x
   x = 2,263,625.22/2,103.96
6. Step 6: Final answer
   x = 1,075.89