Finding the Fourth Proportional to 2,104.43, 3,155.72 and 717.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.43 : 3,155.72 = 717.38 : x
2. Step 2: Convert to fraction form
   2,104.43/3,155.72 = 717.38/x
3. Step 3: Cross multiply
   2,104.43x = 3,155.72 × 717.38
4. Step 4: Simplify right side
   2,104.43x = 2,263,842.88
5. Step 5: Solve for x
   x = 2,263,842.88/2,104.43
6. Step 6: Final answer
   x = 1,075.75