Finding the Fourth Proportional to 10,986.96, 16,496.86 and 10,822.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,986.96 : 16,496.86 = 10,822.96 : x
2. Step 2: Convert to fraction form
   10,986.96/16,496.86 = 10,822.96/x
3. Step 3: Cross multiply
   10,986.96x = 16,496.86 × 10,822.96
4. Step 4: Simplify right side
   10,986.96x = 178,544,855.91
5. Step 5: Solve for x
   x = 178,544,855.91/10,986.96
6. Step 6: Final answer
   x = 16,250.61