Finding the Fourth Proportional to 2,613.46, 3,917.68 and 969.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.46 : 3,917.68 = 969.57 : x
2. Step 2: Convert to fraction form
   2,613.46/3,917.68 = 969.57/x
3. Step 3: Cross multiply
   2,613.46x = 3,917.68 × 969.57
4. Step 4: Simplify right side
   2,613.46x = 3,798,465.00
5. Step 5: Solve for x
   x = 3,798,465.00/2,613.46
6. Step 6: Final answer
   x = 1,453.42