Finding the Fourth Proportional to 1,591.05, 2,194.77 and 961.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.05 : 2,194.77 = 961.27 : x
2. Step 2: Convert to fraction form
   1,591.05/2,194.77 = 961.27/x
3. Step 3: Cross multiply
   1,591.05x = 2,194.77 × 961.27
4. Step 4: Simplify right side
   1,591.05x = 2,109,766.56
5. Step 5: Solve for x
   x = 2,109,766.56/1,591.05
6. Step 6: Final answer
   x = 1,326.02