Finding the Fourth Proportional to 2,923.73, 4,384.34 and 843.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,923.73 : 4,384.34 = 843.23 : x
2. Step 2: Convert to fraction form
   2,923.73/4,384.34 = 843.23/x
3. Step 3: Cross multiply
   2,923.73x = 4,384.34 × 843.23
4. Step 4: Simplify right side
   2,923.73x = 3,697,016.93
5. Step 5: Solve for x
   x = 3,697,016.93/2,923.73
6. Step 6: Final answer
   x = 1,264.49