Finding the Fourth Proportional to 2,349.82, 3,521.67 and 961.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,349.82 : 3,521.67 = 961.57 : x
2. Step 2: Convert to fraction form
   2,349.82/3,521.67 = 961.57/x
3. Step 3: Cross multiply
   2,349.82x = 3,521.67 × 961.57
4. Step 4: Simplify right side
   2,349.82x = 3,386,332.22
5. Step 5: Solve for x
   x = 3,386,332.22/2,349.82
6. Step 6: Final answer
   x = 1,441.10