Finding the Fourth Proportional to 6,443.16, 9,665.37 and 2,059.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.16 : 9,665.37 = 2,059.56 : x
2. Step 2: Convert to fraction form
   6,443.16/9,665.37 = 2,059.56/x
3. Step 3: Cross multiply
   6,443.16x = 9,665.37 × 2,059.56
4. Step 4: Simplify right side
   6,443.16x = 19,906,409.44
5. Step 5: Solve for x
   x = 19,906,409.44/6,443.16
6. Step 6: Final answer
   x = 3,089.54