Finding the Fourth Proportional to 10,939.26, 16,411.51 and 3,543.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,939.26 : 16,411.51 = 3,543.73 : x
2. Step 2: Convert to fraction form
   10,939.26/16,411.51 = 3,543.73/x
3. Step 3: Cross multiply
   10,939.26x = 16,411.51 × 3,543.73
4. Step 4: Simplify right side
   10,939.26x = 58,157,960.33
5. Step 5: Solve for x
   x = 58,157,960.33/10,939.26
6. Step 6: Final answer
   x = 5,316.44