Finding the Fourth Proportional to 2,443.46, 3,665.28 and 712.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.46 : 3,665.28 = 712.04 : x
2. Step 2: Convert to fraction form
   2,443.46/3,665.28 = 712.04/x
3. Step 3: Cross multiply
   2,443.46x = 3,665.28 × 712.04
4. Step 4: Simplify right side
   2,443.46x = 2,609,825.97
5. Step 5: Solve for x
   x = 2,609,825.97/2,443.46
6. Step 6: Final answer
   x = 1,068.09