Finding the Fourth Proportional to 3,144.89, 4,716.16 and 923.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.89 : 4,716.16 = 923.00 : x
2. Step 2: Convert to fraction form
   3,144.89/4,716.16 = 923.00/x
3. Step 3: Cross multiply
   3,144.89x = 4,716.16 × 923.00
4. Step 4: Simplify right side
   3,144.89x = 4,352,989.79
5. Step 5: Solve for x
   x = 4,352,989.79/3,144.89
6. Step 6: Final answer
   x = 1,384.15