Finding the Fourth Proportional to 3,196.17, 4,408.22 and 2,077.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.17 : 4,408.22 = 2,077.47 : x
2. Step 2: Convert to fraction form
   3,196.17/4,408.22 = 2,077.47/x
3. Step 3: Cross multiply
   3,196.17x = 4,408.22 × 2,077.47
4. Step 4: Simplify right side
   3,196.17x = 9,157,934.42
5. Step 5: Solve for x
   x = 9,157,934.42/3,196.17
6. Step 6: Final answer
   x = 2,865.28