Finding the Fourth Proportional to 10,983.38, 16,442.75 and 6,809.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,983.38 : 16,442.75 = 6,809.99 : x
2. Step 2: Convert to fraction form
   10,983.38/16,442.75 = 6,809.99/x
3. Step 3: Cross multiply
   10,983.38x = 16,442.75 × 6,809.99
4. Step 4: Simplify right side
   10,983.38x = 111,974,846.81
5. Step 5: Solve for x
   x = 111,974,846.81/10,983.38
6. Step 6: Final answer
   x = 10,194.94