Finding the Fourth Proportional to 2,104.31, 3,155.80 and 717.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.31 : 3,155.80 = 717.41 : x
2. Step 2: Convert to fraction form
   2,104.31/3,155.80 = 717.41/x
3. Step 3: Cross multiply
   2,104.31x = 3,155.80 × 717.41
4. Step 4: Simplify right side
   2,104.31x = 2,264,002.48
5. Step 5: Solve for x
   x = 2,264,002.48/2,104.31
6. Step 6: Final answer
   x = 1,075.89