Finding the Fourth Proportional to 13,111.05, 18,099.81 and 10,273.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,111.05 : 18,099.81 = 10,273.62 : x
2. Step 2: Convert to fraction form
   13,111.05/18,099.81 = 10,273.62/x
3. Step 3: Cross multiply
   13,111.05x = 18,099.81 × 10,273.62
4. Step 4: Simplify right side
   13,111.05x = 185,950,570.01
5. Step 5: Solve for x
   x = 185,950,570.01/13,111.05
6. Step 6: Final answer
   x = 14,182.74