Finding the Fourth Proportional to 2,692.43, 4,037.42 and 961.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.43 : 4,037.42 = 961.10 : x
2. Step 2: Convert to fraction form
   2,692.43/4,037.42 = 961.10/x
3. Step 3: Cross multiply
   2,692.43x = 4,037.42 × 961.10
4. Step 4: Simplify right side
   2,692.43x = 3,880,339.37
5. Step 5: Solve for x
   x = 3,880,339.37/2,692.43
6. Step 6: Final answer
   x = 1,441.21