Finding the Fourth Proportional to 10,749.94, 16,105.81 and 9,173.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,749.94 : 16,105.81 = 9,173.95 : x
2. Step 2: Convert to fraction form
   10,749.94/16,105.81 = 9,173.95/x
3. Step 3: Cross multiply
   10,749.94x = 16,105.81 × 9,173.95
4. Step 4: Simplify right side
   10,749.94x = 147,753,895.65
5. Step 5: Solve for x
   x = 147,753,895.65/10,749.94
6. Step 6: Final answer
   x = 13,744.63