Finding the Fourth Proportional to 6,443.84, 8,891.55 and 3,610.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.84 : 8,891.55 = 3,610.82 : x
2. Step 2: Convert to fraction form
   6,443.84/8,891.55 = 3,610.82/x
3. Step 3: Cross multiply
   6,443.84x = 8,891.55 × 3,610.82
4. Step 4: Simplify right side
   6,443.84x = 32,105,742.11
5. Step 5: Solve for x
   x = 32,105,742.11/6,443.84
6. Step 6: Final answer
   x = 4,982.40