Finding the Fourth Proportional to 10,981, 16,456.50 and 5,054.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,981 : 16,456.50 = 5,054.44 : x
2. Step 2: Convert to fraction form
   10,981/16,456.50 = 5,054.44/x
3. Step 3: Cross multiply
   10,981x = 16,456.50 × 5,054.44
4. Step 4: Simplify right side
   10,981x = 83,178,391.86
5. Step 5: Solve for x
   x = 83,178,391.86/10,981
6. Step 6: Final answer
   x = 7,574.76