Finding the Fourth Proportional to 10,879.47, 16,318.34 and 3,481.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,879.47 : 16,318.34 = 3,481.94 : x
2. Step 2: Convert to fraction form
   10,879.47/16,318.34 = 3,481.94/x
3. Step 3: Cross multiply
   10,879.47x = 16,318.34 × 3,481.94
4. Step 4: Simplify right side
   10,879.47x = 56,819,480.78
5. Step 5: Solve for x
   x = 56,819,480.78/10,879.47
6. Step 6: Final answer
   x = 5,222.63