Finding the Fourth Proportional to 6,443.54, 8,891.31 and 3,610.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.54 : 8,891.31 = 3,610.69 : x
2. Step 2: Convert to fraction form
   6,443.54/8,891.31 = 3,610.69/x
3. Step 3: Cross multiply
   6,443.54x = 8,891.31 × 3,610.69
4. Step 4: Simplify right side
   6,443.54x = 32,103,764.10
5. Step 5: Solve for x
   x = 32,103,764.10/6,443.54
6. Step 6: Final answer
   x = 4,982.32