Finding the Fourth Proportional to 7,188.81, 10,776.83 and 2,805.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,188.81 : 10,776.83 = 2,805.27 : x
2. Step 2: Convert to fraction form
   7,188.81/10,776.83 = 2,805.27/x
3. Step 3: Cross multiply
   7,188.81x = 10,776.83 × 2,805.27
4. Step 4: Simplify right side
   7,188.81x = 30,231,903.87
5. Step 5: Solve for x
   x = 30,231,903.87/7,188.81
6. Step 6: Final answer
   x = 4,205.41