Finding the Fourth Proportional to 2,275.40, 3,411.82 and 957.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.40 : 3,411.82 = 957.73 : x
2. Step 2: Convert to fraction form
   2,275.40/3,411.82 = 957.73/x
3. Step 3: Cross multiply
   2,275.40x = 3,411.82 × 957.73
4. Step 4: Simplify right side
   2,275.40x = 3,267,602.37
5. Step 5: Solve for x
   x = 3,267,602.37/2,275.40
6. Step 6: Final answer
   x = 1,436.06