Finding the Fourth Proportional to 2,968.71, 4,099.59 and 2,086.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,968.71 : 4,099.59 = 2,086.62 : x
2. Step 2: Convert to fraction form
   2,968.71/4,099.59 = 2,086.62/x
3. Step 3: Cross multiply
   2,968.71x = 4,099.59 × 2,086.62
4. Step 4: Simplify right side
   2,968.71x = 8,554,286.49
5. Step 5: Solve for x
   x = 8,554,286.49/2,968.71
6. Step 6: Final answer
   x = 2,881.48