Finding the Fourth Proportional to 6,443.84, 9,648.95 and 3,516.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.84 : 9,648.95 = 3,516.09 : x
2. Step 2: Convert to fraction form
   6,443.84/9,648.95 = 3,516.09/x
3. Step 3: Cross multiply
   6,443.84x = 9,648.95 × 3,516.09
4. Step 4: Simplify right side
   6,443.84x = 33,926,559.03
5. Step 5: Solve for x
   x = 33,926,559.03/6,443.84
6. Step 6: Final answer
   x = 5,264.96