Finding the Fourth Proportional to 2,009.72, 3,012.46 and 969.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.72 : 3,012.46 = 969.08 : x
2. Step 2: Convert to fraction form
   2,009.72/3,012.46 = 969.08/x
3. Step 3: Cross multiply
   2,009.72x = 3,012.46 × 969.08
4. Step 4: Simplify right side
   2,009.72x = 2,919,297.25
5. Step 5: Solve for x
   x = 2,919,297.25/2,009.72
6. Step 6: Final answer
   x = 1,452.59