Finding the Fourth Proportional to 10,945.82, 16,418.77 and 3,550.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,945.82 : 16,418.77 = 3,550.12 : x
2. Step 2: Convert to fraction form
   10,945.82/16,418.77 = 3,550.12/x
3. Step 3: Cross multiply
   10,945.82x = 16,418.77 × 3,550.12
4. Step 4: Simplify right side
   10,945.82x = 58,288,553.83
5. Step 5: Solve for x
   x = 58,288,553.83/10,945.82
6. Step 6: Final answer
   x = 5,325.19