Finding the Fourth Proportional to 2,692.33, 4,036.05 and 960.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.33 : 4,036.05 = 960.55 : x
2. Step 2: Convert to fraction form
   2,692.33/4,036.05 = 960.55/x
3. Step 3: Cross multiply
   2,692.33x = 4,036.05 × 960.55
4. Step 4: Simplify right side
   2,692.33x = 3,876,827.83
5. Step 5: Solve for x
   x = 3,876,827.83/2,692.33
6. Step 6: Final answer
   x = 1,439.95