Finding the Fourth Proportional to 2,277.72, 3,414.89 and 961.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,277.72 : 3,414.89 = 961.41 : x
2. Step 2: Convert to fraction form
   2,277.72/3,414.89 = 961.41/x
3. Step 3: Cross multiply
   2,277.72x = 3,414.89 × 961.41
4. Step 4: Simplify right side
   2,277.72x = 3,283,111.80
5. Step 5: Solve for x
   x = 3,283,111.80/2,277.72
6. Step 6: Final answer
   x = 1,441.40