Finding the Fourth Proportional to 2,443.26, 3,665.02 and 712.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.26 : 3,665.02 = 712.02 : x
2. Step 2: Convert to fraction form
   2,443.26/3,665.02 = 712.02/x
3. Step 3: Cross multiply
   2,443.26x = 3,665.02 × 712.02
4. Step 4: Simplify right side
   2,443.26x = 2,609,567.54
5. Step 5: Solve for x
   x = 2,609,567.54/2,443.26
6. Step 6: Final answer
   x = 1,068.07