Finding the Fourth Proportional to 1,490.55, 2,057.49 and 959.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490.55 : 2,057.49 = 959.82 : x
2. Step 2: Convert to fraction form
   1,490.55/2,057.49 = 959.82/x
3. Step 3: Cross multiply
   1,490.55x = 2,057.49 × 959.82
4. Step 4: Simplify right side
   1,490.55x = 1,974,820.05
5. Step 5: Solve for x
   x = 1,974,820.05/1,490.55
6. Step 6: Final answer
   x = 1,324.89