Finding the Fourth Proportional to 2,960.69, 4,086.54 and 2,076.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,960.69 : 4,086.54 = 2,076.71 : x
2. Step 2: Convert to fraction form
   2,960.69/4,086.54 = 2,076.71/x
3. Step 3: Cross multiply
   2,960.69x = 4,086.54 × 2,076.71
4. Step 4: Simplify right side
   2,960.69x = 8,486,538.05
5. Step 5: Solve for x
   x = 8,486,538.05/2,960.69
6. Step 6: Final answer
   x = 2,866.41