Finding the Fourth Proportional to 10,947.38, 16,416.81 and 3,550.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.38 : 16,416.81 = 3,550.05 : x
2. Step 2: Convert to fraction form
   10,947.38/16,416.81 = 3,550.05/x
3. Step 3: Cross multiply
   10,947.38x = 16,416.81 × 3,550.05
4. Step 4: Simplify right side
   10,947.38x = 58,280,496.34
5. Step 5: Solve for x
   x = 58,280,496.34/10,947.38
6. Step 6: Final answer
   x = 5,323.70