Finding the Fourth Proportional to 2,103.46, 3,155.10 and 716.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.46 : 3,155.10 = 716.74 : x
2. Step 2: Convert to fraction form
   2,103.46/3,155.10 = 716.74/x
3. Step 3: Cross multiply
   2,103.46x = 3,155.10 × 716.74
4. Step 4: Simplify right side
   2,103.46x = 2,261,386.37
5. Step 5: Solve for x
   x = 2,261,386.37/2,103.46
6. Step 6: Final answer
   x = 1,075.08