Finding the Fourth Proportional to 1,665.22, 2,298.02 and 957.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.22 : 2,298.02 = 957.41 : x
2. Step 2: Convert to fraction form
   1,665.22/2,298.02 = 957.41/x
3. Step 3: Cross multiply
   1,665.22x = 2,298.02 × 957.41
4. Step 4: Simplify right side
   1,665.22x = 2,200,142.54
5. Step 5: Solve for x
   x = 2,200,142.54/1,665.22
6. Step 6: Final answer
   x = 1,321.24