Finding the Fourth Proportional to 2,612.89, 3,917.42 and 969.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.89 : 3,917.42 = 969.44 : x
2. Step 2: Convert to fraction form
   2,612.89/3,917.42 = 969.44/x
3. Step 3: Cross multiply
   2,612.89x = 3,917.42 × 969.44
4. Step 4: Simplify right side
   2,612.89x = 3,797,698.80
5. Step 5: Solve for x
   x = 3,797,698.80/2,612.89
6. Step 6: Final answer
   x = 1,453.45