Finding the Fourth Proportional to 2,613.52, 3,919.62 and 969.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.52 : 3,919.62 = 969.16 : x
2. Step 2: Convert to fraction form
   2,613.52/3,919.62 = 969.16/x
3. Step 3: Cross multiply
   2,613.52x = 3,919.62 × 969.16
4. Step 4: Simplify right side
   2,613.52x = 3,798,738.92
5. Step 5: Solve for x
   x = 3,798,738.92/2,613.52
6. Step 6: Final answer
   x = 1,453.50