Finding the Fourth Proportional to 10,229.94, 14,142.69 and 10,136.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,229.94 : 14,142.69 = 10,136.54 : x
2. Step 2: Convert to fraction form
   10,229.94/14,142.69 = 10,136.54/x
3. Step 3: Cross multiply
   10,229.94x = 14,142.69 × 10,136.54
4. Step 4: Simplify right side
   10,229.94x = 143,357,968.23
5. Step 5: Solve for x
   x = 143,357,968.23/10,229.94
6. Step 6: Final answer
   x = 14,013.57