Finding the Fourth Proportional to 3,976.69, 5,965.86 and 1,511.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.69 : 5,965.86 = 1,511.05 : x
2. Step 2: Convert to fraction form
   3,976.69/5,965.86 = 1,511.05/x
3. Step 3: Cross multiply
   3,976.69x = 5,965.86 × 1,511.05
4. Step 4: Simplify right side
   3,976.69x = 9,014,712.75
5. Step 5: Solve for x
   x = 9,014,712.75/3,976.69
6. Step 6: Final answer
   x = 2,266.89