Finding the Fourth Proportional to 1,661.92, 2,293.47 and 953.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661.92 : 2,293.47 = 953.82 : x
2. Step 2: Convert to fraction form
   1,661.92/2,293.47 = 953.82/x
3. Step 3: Cross multiply
   1,661.92x = 2,293.47 × 953.82
4. Step 4: Simplify right side
   1,661.92x = 2,187,559.94
5. Step 5: Solve for x
   x = 2,187,559.94/1,661.92
6. Step 6: Final answer
   x = 1,316.28