Finding the Fourth Proportional to 6,667.11, 9,201.15 and 3,683.21

Step by Step Solution

1. Step 1: Write the proportion equation
   6,667.11 : 9,201.15 = 3,683.21 : x
2. Step 2: Convert to fraction form
   6,667.11/9,201.15 = 3,683.21/x
3. Step 3: Cross multiply
   6,667.11x = 9,201.15 × 3,683.21
4. Step 4: Simplify right side
   6,667.11x = 33,889,721.69
5. Step 5: Solve for x
   x = 33,889,721.69/6,667.11
6. Step 6: Final answer
   x = 5,083.12