Finding the Fourth Proportional to 4,744.23, 7,109.31 and 4,225.23

Step by Step Solution

1. Step 1: Write the proportion equation
   4,744.23 : 7,109.31 = 4,225.23 : x
2. Step 2: Convert to fraction form
   4,744.23/7,109.31 = 4,225.23/x
3. Step 3: Cross multiply
   4,744.23x = 7,109.31 × 4,225.23
4. Step 4: Simplify right side
   4,744.23x = 30,038,469.89
5. Step 5: Solve for x
   x = 30,038,469.89/4,744.23
6. Step 6: Final answer
   x = 6,331.58