Finding the Fourth Proportional to 10,866.05, 14,982.45 and 10,078.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,866.05 : 14,982.45 = 10,078.73 : x
2. Step 2: Convert to fraction form
   10,866.05/14,982.45 = 10,078.73/x
3. Step 3: Cross multiply
   10,866.05x = 14,982.45 × 10,078.73
4. Step 4: Simplify right side
   10,866.05x = 151,003,993.38
5. Step 5: Solve for x
   x = 151,003,993.38/10,866.05
6. Step 6: Final answer
   x = 13,896.87