Finding the Fourth Proportional to 1,443.99, 1,992.02 and 946.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.99 : 1,992.02 = 946.41 : x
2. Step 2: Convert to fraction form
   1,443.99/1,992.02 = 946.41/x
3. Step 3: Cross multiply
   1,443.99x = 1,992.02 × 946.41
4. Step 4: Simplify right side
   1,443.99x = 1,885,262.92
5. Step 5: Solve for x
   x = 1,885,262.92/1,443.99
6. Step 6: Final answer
   x = 1,305.59