Finding the Fourth Proportional to 2,613.59, 3,917.88 and 969.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.59 : 3,917.88 = 969.69 : x
2. Step 2: Convert to fraction form
   2,613.59/3,917.88 = 969.69/x
3. Step 3: Cross multiply
   2,613.59x = 3,917.88 × 969.69
4. Step 4: Simplify right side
   2,613.59x = 3,799,129.06
5. Step 5: Solve for x
   x = 3,799,129.06/2,613.59
6. Step 6: Final answer
   x = 1,453.61