Finding the Fourth Proportional to 12,601.54, 17,389.69 and 6,936.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,601.54 : 17,389.69 = 6,936.23 : x
2. Step 2: Convert to fraction form
   12,601.54/17,389.69 = 6,936.23/x
3. Step 3: Cross multiply
   12,601.54x = 17,389.69 × 6,936.23
4. Step 4: Simplify right side
   12,601.54x = 120,618,915.60
5. Step 5: Solve for x
   x = 120,618,915.60/12,601.54
6. Step 6: Final answer
   x = 9,571.76