Finding the Fourth Proportional to 2,613.39, 3,918.17 and 969.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.39 : 3,918.17 = 969.94 : x
2. Step 2: Convert to fraction form
   2,613.39/3,918.17 = 969.94/x
3. Step 3: Cross multiply
   2,613.39x = 3,918.17 × 969.94
4. Step 4: Simplify right side
   2,613.39x = 3,800,384.96
5. Step 5: Solve for x
   x = 3,800,384.96/2,613.39
6. Step 6: Final answer
   x = 1,454.20