Finding the Fourth Proportional to 2,683.94, 3,995.83 and 2,670.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,683.94 : 3,995.83 = 2,670.94 : x
2. Step 2: Convert to fraction form
   2,683.94/3,995.83 = 2,670.94/x
3. Step 3: Cross multiply
   2,683.94x = 3,995.83 × 2,670.94
4. Step 4: Simplify right side
   2,683.94x = 10,672,630.51
5. Step 5: Solve for x
   x = 10,672,630.51/2,683.94
6. Step 6: Final answer
   x = 3,976.49