Finding the Fourth Proportional to 3,556.86, 5,328.18 and 2,443.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556.86 : 5,328.18 = 2,443.56 : x
2. Step 2: Convert to fraction form
   3,556.86/5,328.18 = 2,443.56/x
3. Step 3: Cross multiply
   3,556.86x = 5,328.18 × 2,443.56
4. Step 4: Simplify right side
   3,556.86x = 13,019,727.52
5. Step 5: Solve for x
   x = 13,019,727.52/3,556.86
6. Step 6: Final answer
   x = 3,660.46