Finding the Fourth Proportional to 3,196.49, 4,408.49 and 2,076.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.49 : 4,408.49 = 2,076.86 : x
2. Step 2: Convert to fraction form
   3,196.49/4,408.49 = 2,076.86/x
3. Step 3: Cross multiply
   3,196.49x = 4,408.49 × 2,076.86
4. Step 4: Simplify right side
   3,196.49x = 9,155,832.75
5. Step 5: Solve for x
   x = 9,155,832.75/3,196.49
6. Step 6: Final answer
   x = 2,864.34