Finding the Fourth Proportional to 2,613.17, 3,919.98 and 969.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.17 : 3,919.98 = 969.73 : x
2. Step 2: Convert to fraction form
   2,613.17/3,919.98 = 969.73/x
3. Step 3: Cross multiply
   2,613.17x = 3,919.98 × 969.73
4. Step 4: Simplify right side
   2,613.17x = 3,801,322.21
5. Step 5: Solve for x
   x = 3,801,322.21/2,613.17
6. Step 6: Final answer
   x = 1,454.68