Finding the Fourth Proportional to 2,885.62, 4,324.77 and 1,323.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,885.62 : 4,324.77 = 1,323.55 : x
2. Step 2: Convert to fraction form
   2,885.62/4,324.77 = 1,323.55/x
3. Step 3: Cross multiply
   2,885.62x = 4,324.77 × 1,323.55
4. Step 4: Simplify right side
   2,885.62x = 5,724,049.33
5. Step 5: Solve for x
   x = 5,724,049.33/2,885.62
6. Step 6: Final answer
   x = 1,983.65