Finding the Fourth Proportional to 2,015.14, 3,020.89 and 716.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.14 : 3,020.89 = 716.30 : x
2. Step 2: Convert to fraction form
   2,015.14/3,020.89 = 716.30/x
3. Step 3: Cross multiply
   2,015.14x = 3,020.89 × 716.30
4. Step 4: Simplify right side
   2,015.14x = 2,163,871.25
5. Step 5: Solve for x
   x = 2,163,871.25/2,015.14
6. Step 6: Final answer
   x = 1,073.81