Finding the Fourth Proportional to 11,236.37, 16,856.54 and 3,839.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,236.37 : 16,856.54 = 3,839.10 : x
2. Step 2: Convert to fraction form
   11,236.37/16,856.54 = 3,839.10/x
3. Step 3: Cross multiply
   11,236.37x = 16,856.54 × 3,839.10
4. Step 4: Simplify right side
   11,236.37x = 64,713,942.71
5. Step 5: Solve for x
   x = 64,713,942.71/11,236.37
6. Step 6: Final answer
   x = 5,759.33