Finding the Fourth Proportional to 1,443.62, 1,992.38 and 946.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.62 : 1,992.38 = 946.68 : x
2. Step 2: Convert to fraction form
   1,443.62/1,992.38 = 946.68/x
3. Step 3: Cross multiply
   1,443.62x = 1,992.38 × 946.68
4. Step 4: Simplify right side
   1,443.62x = 1,886,146.30
5. Step 5: Solve for x
   x = 1,886,146.30/1,443.62
6. Step 6: Final answer
   x = 1,306.54