Finding the Fourth Proportional to 1,424.50, 1,962.76 and 957.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.50 : 1,962.76 = 957.94 : x
2. Step 2: Convert to fraction form
   1,424.50/1,962.76 = 957.94/x
3. Step 3: Cross multiply
   1,424.50x = 1,962.76 × 957.94
4. Step 4: Simplify right side
   1,424.50x = 1,880,206.31
5. Step 5: Solve for x
   x = 1,880,206.31/1,424.50
6. Step 6: Final answer
   x = 1,319.91