Finding the Fourth Proportional to 6,639.89, 9,962.56 and 3,353.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,639.89 : 9,962.56 = 3,353.92 : x
2. Step 2: Convert to fraction form
   6,639.89/9,962.56 = 3,353.92/x
3. Step 3: Cross multiply
   6,639.89x = 9,962.56 × 3,353.92
4. Step 4: Simplify right side
   6,639.89x = 33,413,608.52
5. Step 5: Solve for x
   x = 33,413,608.52/6,639.89
6. Step 6: Final answer
   x = 5,032.26