Finding the Fourth Proportional to 2,443.30, 3,665.97 and 1,055.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.30 : 3,665.97 = 1,055.92 : x
2. Step 2: Convert to fraction form
   2,443.30/3,665.97 = 1,055.92/x
3. Step 3: Cross multiply
   2,443.30x = 3,665.97 × 1,055.92
4. Step 4: Simplify right side
   2,443.30x = 3,870,971.04
5. Step 5: Solve for x
   x = 3,870,971.04/2,443.30
6. Step 6: Final answer
   x = 1,584.32