Finding the Fourth Proportional to 11,821.59, 17,697.83 and 7,173.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,821.59 : 17,697.83 = 7,173.27 : x
2. Step 2: Convert to fraction form
   11,821.59/17,697.83 = 7,173.27/x
3. Step 3: Cross multiply
   11,821.59x = 17,697.83 × 7,173.27
4. Step 4: Simplify right side
   11,821.59x = 126,951,277.14
5. Step 5: Solve for x
   x = 126,951,277.14/11,821.59
6. Step 6: Final answer
   x = 10,738.93