Finding the Fourth Proportional to 2,443.13, 3,664.76 and 711.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.13 : 3,664.76 = 711.77 : x
2. Step 2: Convert to fraction form
   2,443.13/3,664.76 = 711.77/x
3. Step 3: Cross multiply
   2,443.13x = 3,664.76 × 711.77
4. Step 4: Simplify right side
   2,443.13x = 2,608,466.23
5. Step 5: Solve for x
   x = 2,608,466.23/2,443.13
6. Step 6: Final answer
   x = 1,067.67