Finding the Fourth Proportional to 2,103.95, 3,155.94 and 717.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.95 : 3,155.94 = 717.32 : x
2. Step 2: Convert to fraction form
   2,103.95/3,155.94 = 717.32/x
3. Step 3: Cross multiply
   2,103.95x = 3,155.94 × 717.32
4. Step 4: Simplify right side
   2,103.95x = 2,263,803.10
5. Step 5: Solve for x
   x = 2,263,803.10/2,103.95
6. Step 6: Final answer
   x = 1,075.98