Finding the Fourth Proportional to 2,103.55, 3,155.52 and 716.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.55 : 3,155.52 = 716.42 : x
2. Step 2: Convert to fraction form
   2,103.55/3,155.52 = 716.42/x
3. Step 3: Cross multiply
   2,103.55x = 3,155.52 × 716.42
4. Step 4: Simplify right side
   2,103.55x = 2,260,677.64
5. Step 5: Solve for x
   x = 2,260,677.64/2,103.55
6. Step 6: Final answer
   x = 1,074.70