Finding the Fourth Proportional to 7,667.69, 11,500.16 and 2,119.74

Step by Step Solution

1. Step 1: Write the proportion equation
   7,667.69 : 11,500.16 = 2,119.74 : x
2. Step 2: Convert to fraction form
   7,667.69/11,500.16 = 2,119.74/x
3. Step 3: Cross multiply
   7,667.69x = 11,500.16 × 2,119.74
4. Step 4: Simplify right side
   7,667.69x = 24,377,338.56
5. Step 5: Solve for x
   x = 24,377,338.56/7,667.69
6. Step 6: Final answer
   x = 3,179.23