Finding the Fourth Proportional to 9,150.23, 13,727.63 and 4,223.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.23 : 13,727.63 = 4,223.31 : x
2. Step 2: Convert to fraction form
   9,150.23/13,727.63 = 4,223.31/x
3. Step 3: Cross multiply
   9,150.23x = 13,727.63 × 4,223.31
4. Step 4: Simplify right side
   9,150.23x = 57,976,015.94
5. Step 5: Solve for x
   x = 57,976,015.94/9,150.23
6. Step 6: Final answer
   x = 6,336.02