Finding the Fourth Proportional to 2,443.04, 3,664.70 and 711.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.04 : 3,664.70 = 711.72 : x
2. Step 2: Convert to fraction form
   2,443.04/3,664.70 = 711.72/x
3. Step 3: Cross multiply
   2,443.04x = 3,664.70 × 711.72
4. Step 4: Simplify right side
   2,443.04x = 2,608,240.28
5. Step 5: Solve for x
   x = 2,608,240.28/2,443.04
6. Step 6: Final answer
   x = 1,067.62