Finding the Fourth Proportional to 19,947.76, 27,527.77 and 10,995.27

Step by Step Solution

1. Step 1: Write the proportion equation
   19,947.76 : 27,527.77 = 10,995.27 : x
2. Step 2: Convert to fraction form
   19,947.76/27,527.77 = 10,995.27/x
3. Step 3: Cross multiply
   19,947.76x = 27,527.77 × 10,995.27
4. Step 4: Simplify right side
   19,947.76x = 302,675,071.03
5. Step 5: Solve for x
   x = 302,675,071.03/19,947.76
6. Step 6: Final answer
   x = 15,173.39