Finding the Fourth Proportional to 11,839.56, 16,339 and 6,804.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,839.56 : 16,339 = 6,804.72 : x
2. Step 2: Convert to fraction form
   11,839.56/16,339 = 6,804.72/x
3. Step 3: Cross multiply
   11,839.56x = 16,339 × 6,804.72
4. Step 4: Simplify right side
   11,839.56x = 111,182,320.08
5. Step 5: Solve for x
   x = 111,182,320.08/11,839.56
6. Step 6: Final answer
   x = 9,390.75