Finding the Fourth Proportional to 10,796.67, 16,119.27 and 9,136.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,796.67 : 16,119.27 = 9,136.38 : x
2. Step 2: Convert to fraction form
   10,796.67/16,119.27 = 9,136.38/x
3. Step 3: Cross multiply
   10,796.67x = 16,119.27 × 9,136.38
4. Step 4: Simplify right side
   10,796.67x = 147,271,776.04
5. Step 5: Solve for x
   x = 147,271,776.04/10,796.67
6. Step 6: Final answer
   x = 13,640.48