Finding the Fourth Proportional to 1,665.52, 2,298.49 and 957.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.52 : 2,298.49 = 957.59 : x
2. Step 2: Convert to fraction form
   1,665.52/2,298.49 = 957.59/x
3. Step 3: Cross multiply
   1,665.52x = 2,298.49 × 957.59
4. Step 4: Simplify right side
   1,665.52x = 2,201,003.98
5. Step 5: Solve for x
   x = 2,201,003.98/1,665.52
6. Step 6: Final answer
   x = 1,321.52