Finding the Fourth Proportional to 1,488.41, 2,234.61 and 959.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.41 : 2,234.61 = 959.87 : x
2. Step 2: Convert to fraction form
   1,488.41/2,234.61 = 959.87/x
3. Step 3: Cross multiply
   1,488.41x = 2,234.61 × 959.87
4. Step 4: Simplify right side
   1,488.41x = 2,144,935.10
5. Step 5: Solve for x
   x = 2,144,935.10/1,488.41
6. Step 6: Final answer
   x = 1,441.09