Finding the Fourth Proportional to 7,183.72, 10,774.69 and 1,919.13

Step by Step Solution

1. Step 1: Write the proportion equation
   7,183.72 : 10,774.69 = 1,919.13 : x
2. Step 2: Convert to fraction form
   7,183.72/10,774.69 = 1,919.13/x
3. Step 3: Cross multiply
   7,183.72x = 10,774.69 × 1,919.13
4. Step 4: Simplify right side
   7,183.72x = 20,678,030.82
5. Step 5: Solve for x
   x = 20,678,030.82/7,183.72
6. Step 6: Final answer
   x = 2,878.46