Finding the Fourth Proportional to 20,456.62, 30,681.52 and 5,667.04

Step by Step Solution

1. Step 1: Write the proportion equation
   20,456.62 : 30,681.52 = 5,667.04 : x
2. Step 2: Convert to fraction form
   20,456.62/30,681.52 = 5,667.04/x
3. Step 3: Cross multiply
   20,456.62x = 30,681.52 × 5,667.04
4. Step 4: Simplify right side
   20,456.62x = 173,873,401.10
5. Step 5: Solve for x
   x = 173,873,401.10/20,456.62
6. Step 6: Final answer
   x = 8,499.62