Finding the Fourth Proportional to 1,665.82, 2,298.86 and 957.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.82 : 2,298.86 = 957.73 : x
2. Step 2: Convert to fraction form
   1,665.82/2,298.86 = 957.73/x
3. Step 3: Cross multiply
   1,665.82x = 2,298.86 × 957.73
4. Step 4: Simplify right side
   1,665.82x = 2,201,687.19
5. Step 5: Solve for x
   x = 2,201,687.19/1,665.82
6. Step 6: Final answer
   x = 1,321.68