Finding the Fourth Proportional to 6,443.18, 9,665.01 and 2,001.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.18 : 9,665.01 = 2,001.30 : x
2. Step 2: Convert to fraction form
   6,443.18/9,665.01 = 2,001.30/x
3. Step 3: Cross multiply
   6,443.18x = 9,665.01 × 2,001.30
4. Step 4: Simplify right side
   6,443.18x = 19,342,584.51
5. Step 5: Solve for x
   x = 19,342,584.51/6,443.18
6. Step 6: Final answer
   x = 3,002.03