Finding the Fourth Proportional to 2,015.02, 3,022.72 and 716.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.02 : 3,022.72 = 716.18 : x
2. Step 2: Convert to fraction form
   2,015.02/3,022.72 = 716.18/x
3. Step 3: Cross multiply
   2,015.02x = 3,022.72 × 716.18
4. Step 4: Simplify right side
   2,015.02x = 2,164,811.61
5. Step 5: Solve for x
   x = 2,164,811.61/2,015.02
6. Step 6: Final answer
   x = 1,074.34