Finding the Fourth Proportional to 5,846.85, 8,071.18 and 3,963.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,846.85 : 8,071.18 = 3,963.89 : x
2. Step 2: Convert to fraction form
   5,846.85/8,071.18 = 3,963.89/x
3. Step 3: Cross multiply
   5,846.85x = 8,071.18 × 3,963.89
4. Step 4: Simplify right side
   5,846.85x = 31,993,321.40
5. Step 5: Solve for x
   x = 31,993,321.40/5,846.85
6. Step 6: Final answer
   x = 5,471.89