Finding the Fourth Proportional to 3,671.48, 5,467.85 and 3,650.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.48 : 5,467.85 = 3,650.42 : x
2. Step 2: Convert to fraction form
   3,671.48/5,467.85 = 3,650.42/x
3. Step 3: Cross multiply
   3,671.48x = 5,467.85 × 3,650.42
4. Step 4: Simplify right side
   3,671.48x = 19,959,903.41
5. Step 5: Solve for x
   x = 19,959,903.41/3,671.48
6. Step 6: Final answer
   x = 5,436.48