Finding the Fourth Proportional to 8,353.05, 12,533.82 and 3,970.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,353.05 : 12,533.82 = 3,970.54 : x
2. Step 2: Convert to fraction form
   8,353.05/12,533.82 = 3,970.54/x
3. Step 3: Cross multiply
   8,353.05x = 12,533.82 × 3,970.54
4. Step 4: Simplify right side
   8,353.05x = 49,766,033.66
5. Step 5: Solve for x
   x = 49,766,033.66/8,353.05
6. Step 6: Final answer
   x = 5,957.83