Finding the Fourth Proportional to 2,605.82, 3,906 and 961.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.82 : 3,906 = 961.34 : x
2. Step 2: Convert to fraction form
   2,605.82/3,906 = 961.34/x
3. Step 3: Cross multiply
   2,605.82x = 3,906 × 961.34
4. Step 4: Simplify right side
   2,605.82x = 3,754,994.04
5. Step 5: Solve for x
   x = 3,754,994.04/2,605.82
6. Step 6: Final answer
   x = 1,441.00