Finding the Fourth Proportional to 10,383.09, 15,581.46 and 3,809.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,383.09 : 15,581.46 = 3,809.33 : x
2. Step 2: Convert to fraction form
   10,383.09/15,581.46 = 3,809.33/x
3. Step 3: Cross multiply
   10,383.09x = 15,581.46 × 3,809.33
4. Step 4: Simplify right side
   10,383.09x = 59,354,917.83
5. Step 5: Solve for x
   x = 59,354,917.83/10,383.09
6. Step 6: Final answer
   x = 5,716.50