Finding the Fourth Proportional to 3,867.98, 5,348.32 and 3,805.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867.98 : 5,348.32 = 3,805.46 : x
2. Step 2: Convert to fraction form
   3,867.98/5,348.32 = 3,805.46/x
3. Step 3: Cross multiply
   3,867.98x = 5,348.32 × 3,805.46
4. Step 4: Simplify right side
   3,867.98x = 20,352,817.83
5. Step 5: Solve for x
   x = 20,352,817.83/3,867.98
6. Step 6: Final answer
   x = 5,261.87