Finding the Fourth Proportional to 1,520.41, 2,096.76 and 959.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520.41 : 2,096.76 = 959.91 : x
2. Step 2: Convert to fraction form
   1,520.41/2,096.76 = 959.91/x
3. Step 3: Cross multiply
   1,520.41x = 2,096.76 × 959.91
4. Step 4: Simplify right side
   1,520.41x = 2,012,690.41
5. Step 5: Solve for x
   x = 2,012,690.41/1,520.41
6. Step 6: Final answer
   x = 1,323.79