Finding the Fourth Proportional to 2,194.56, 3,289.98 and 961.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194.56 : 3,289.98 = 961.04 : x
2. Step 2: Convert to fraction form
   2,194.56/3,289.98 = 961.04/x
3. Step 3: Cross multiply
   2,194.56x = 3,289.98 × 961.04
4. Step 4: Simplify right side
   2,194.56x = 3,161,785.93
5. Step 5: Solve for x
   x = 3,161,785.93/2,194.56
6. Step 6: Final answer
   x = 1,440.74