Finding the Fourth Proportional to 19,947.45, 27,527.34 and 10,994.96

Step by Step Solution

1. Step 1: Write the proportion equation
   19,947.45 : 27,527.34 = 10,994.96 : x
2. Step 2: Convert to fraction form
   19,947.45/27,527.34 = 10,994.96/x
3. Step 3: Cross multiply
   19,947.45x = 27,527.34 × 10,994.96
4. Step 4: Simplify right side
   19,947.45x = 302,661,809.59
5. Step 5: Solve for x
   x = 302,661,809.59/19,947.45
6. Step 6: Final answer
   x = 15,172.96