Finding the Fourth Proportional to 6,443.01, 9,665.73 and 3,672.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.01 : 9,665.73 = 3,672.81 : x
2. Step 2: Convert to fraction form
   6,443.01/9,665.73 = 3,672.81/x
3. Step 3: Cross multiply
   6,443.01x = 9,665.73 × 3,672.81
4. Step 4: Simplify right side
   6,443.01x = 35,500,389.80
5. Step 5: Solve for x
   x = 35,500,389.80/6,443.01
6. Step 6: Final answer
   x = 5,509.91