Finding the Fourth Proportional to 6,443.08, 9,665.82 and 2,061.64

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.08 : 9,665.82 = 2,061.64 : x
2. Step 2: Convert to fraction form
   6,443.08/9,665.82 = 2,061.64/x
3. Step 3: Cross multiply
   6,443.08x = 9,665.82 × 2,061.64
4. Step 4: Simplify right side
   6,443.08x = 19,927,441.14
5. Step 5: Solve for x
   x = 19,927,441.14/6,443.08
6. Step 6: Final answer
   x = 3,092.84