Finding the Fourth Proportional to 2,442.29, 3,662.15 and 961.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.29 : 3,662.15 = 961.07 : x
2. Step 2: Convert to fraction form
   2,442.29/3,662.15 = 961.07/x
3. Step 3: Cross multiply
   2,442.29x = 3,662.15 × 961.07
4. Step 4: Simplify right side
   2,442.29x = 3,519,559.38
5. Step 5: Solve for x
   x = 3,519,559.38/2,442.29
6. Step 6: Final answer
   x = 1,441.09