Finding the Fourth Proportional to 1,747.27, 2,411.22 and 961.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.27 : 2,411.22 = 961.30 : x
2. Step 2: Convert to fraction form
   1,747.27/2,411.22 = 961.30/x
3. Step 3: Cross multiply
   1,747.27x = 2,411.22 × 961.30
4. Step 4: Simplify right side
   1,747.27x = 2,317,905.79
5. Step 5: Solve for x
   x = 2,317,905.79/1,747.27
6. Step 6: Final answer
   x = 1,326.59