Finding the Fourth Proportional to 2,684.94, 3,997.32 and 2,671.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,684.94 : 3,997.32 = 2,671.94 : x
2. Step 2: Convert to fraction form
   2,684.94/3,997.32 = 2,671.94/x
3. Step 3: Cross multiply
   2,684.94x = 3,997.32 × 2,671.94
4. Step 4: Simplify right side
   2,684.94x = 10,680,599.20
5. Step 5: Solve for x
   x = 10,680,599.20/2,684.94
6. Step 6: Final answer
   x = 3,977.97