Finding the Fourth Proportional to 3,847.04, 5,345.72 and 3,806.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,847.04 : 5,345.72 = 3,806.96 : x
2. Step 2: Convert to fraction form
   3,847.04/5,345.72 = 3,806.96/x
3. Step 3: Cross multiply
   3,847.04x = 5,345.72 × 3,806.96
4. Step 4: Simplify right side
   3,847.04x = 20,350,942.21
5. Step 5: Solve for x
   x = 20,350,942.21/3,847.04
6. Step 6: Final answer
   x = 5,290.03