Finding the Fourth Proportional to 19,865.01, 27,413.82 and 10,912.29

Step by Step Solution

1. Step 1: Write the proportion equation
   19,865.01 : 27,413.82 = 10,912.29 : x
2. Step 2: Convert to fraction form
   19,865.01/27,413.82 = 10,912.29/x
3. Step 3: Cross multiply
   19,865.01x = 27,413.82 × 10,912.29
4. Step 4: Simplify right side
   19,865.01x = 299,147,553.85
5. Step 5: Solve for x
   x = 299,147,553.85/19,865.01
6. Step 6: Final answer
   x = 15,059.02