Finding the Fourth Proportional to 20,217.33, 30,328.83 and 7,066.71

Step by Step Solution

1. Step 1: Write the proportion equation
   20,217.33 : 30,328.83 = 7,066.71 : x
2. Step 2: Convert to fraction form
   20,217.33/30,328.83 = 7,066.71/x
3. Step 3: Cross multiply
   20,217.33x = 30,328.83 × 7,066.71
4. Step 4: Simplify right side
   20,217.33x = 214,325,046.25
5. Step 5: Solve for x
   x = 214,325,046.25/20,217.33
6. Step 6: Final answer
   x = 10,601.06