Finding the Fourth Proportional to 2,103.72, 3,154.50 and 716.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.72 : 3,154.50 = 716.46 : x
2. Step 2: Convert to fraction form
   2,103.72/3,154.50 = 716.46/x
3. Step 3: Cross multiply
   2,103.72x = 3,154.50 × 716.46
4. Step 4: Simplify right side
   2,103.72x = 2,260,073.07
5. Step 5: Solve for x
   x = 2,260,073.07/2,103.72
6. Step 6: Final answer
   x = 1,074.32