Finding the Fourth Proportional to 10,945.18, 16,418.33 and 3,550.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,945.18 : 16,418.33 = 3,550.24 : x
2. Step 2: Convert to fraction form
   10,945.18/16,418.33 = 3,550.24/x
3. Step 3: Cross multiply
   10,945.18x = 16,418.33 × 3,550.24
4. Step 4: Simplify right side
   10,945.18x = 58,289,011.90
5. Step 5: Solve for x
   x = 58,289,011.90/10,945.18
6. Step 6: Final answer
   x = 5,325.54