Finding the Fourth Proportional to 8,485.37, 12,722.94 and 3,804.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,485.37 : 12,722.94 = 3,804.54 : x
2. Step 2: Convert to fraction form
   8,485.37/12,722.94 = 3,804.54/x
3. Step 3: Cross multiply
   8,485.37x = 12,722.94 × 3,804.54
4. Step 4: Simplify right side
   8,485.37x = 48,404,870.53
5. Step 5: Solve for x
   x = 48,404,870.53/8,485.37
6. Step 6: Final answer
   x = 5,704.51