Finding the Fourth Proportional to 2,103.37, 3,154.34 and 716.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.37 : 3,154.34 = 716.45 : x
2. Step 2: Convert to fraction form
   2,103.37/3,154.34 = 716.45/x
3. Step 3: Cross multiply
   2,103.37x = 3,154.34 × 716.45
4. Step 4: Simplify right side
   2,103.37x = 2,259,912.91
5. Step 5: Solve for x
   x = 2,259,912.91/2,103.37
6. Step 6: Final answer
   x = 1,074.43