Finding the Fourth Proportional to 2,012.82, 3,015.06 and 969.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.82 : 3,015.06 = 969.72 : x
2. Step 2: Convert to fraction form
   2,012.82/3,015.06 = 969.72/x
3. Step 3: Cross multiply
   2,012.82x = 3,015.06 × 969.72
4. Step 4: Simplify right side
   2,012.82x = 2,923,763.98
5. Step 5: Solve for x
   x = 2,923,763.98/2,012.82
6. Step 6: Final answer
   x = 1,452.57