Finding the Fourth Proportional to 10,995.17, 16,455.69 and 6,820.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995.17 : 16,455.69 = 6,820.83 : x
2. Step 2: Convert to fraction form
   10,995.17/16,455.69 = 6,820.83/x
3. Step 3: Cross multiply
   10,995.17x = 16,455.69 × 6,820.83
4. Step 4: Simplify right side
   10,995.17x = 112,241,464.02
5. Step 5: Solve for x
   x = 112,241,464.02/10,995.17
6. Step 6: Final answer
   x = 10,208.26