Finding the Fourth Proportional to 2,015.72, 3,020.16 and 976.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.72 : 3,020.16 = 976.22 : x
2. Step 2: Convert to fraction form
   2,015.72/3,020.16 = 976.22/x
3. Step 3: Cross multiply
   2,015.72x = 3,020.16 × 976.22
4. Step 4: Simplify right side
   2,015.72x = 2,948,340.60
5. Step 5: Solve for x
   x = 2,948,340.60/2,015.72
6. Step 6: Final answer
   x = 1,462.67