Finding the Fourth Proportional to 1,520.47, 2,096.58 and 960.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520.47 : 2,096.58 = 960.31 : x
2. Step 2: Convert to fraction form
   1,520.47/2,096.58 = 960.31/x
3. Step 3: Cross multiply
   1,520.47x = 2,096.58 × 960.31
4. Step 4: Simplify right side
   1,520.47x = 2,013,366.74
5. Step 5: Solve for x
   x = 2,013,366.74/1,520.47
6. Step 6: Final answer
   x = 1,324.17