Finding the Fourth Proportional to 20,667.23, 31,003.05 and 6,622.24

Step by Step Solution

1. Step 1: Write the proportion equation
   20,667.23 : 31,003.05 = 6,622.24 : x
2. Step 2: Convert to fraction form
   20,667.23/31,003.05 = 6,622.24/x
3. Step 3: Cross multiply
   20,667.23x = 31,003.05 × 6,622.24
4. Step 4: Simplify right side
   20,667.23x = 205,309,643.29
5. Step 5: Solve for x
   x = 205,309,643.29/20,667.23
6. Step 6: Final answer
   x = 9,934.06