Finding the Fourth Proportional to 8,216.56, 12,323.46 and 3,772.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216.56 : 12,323.46 = 3,772.87 : x
2. Step 2: Convert to fraction form
   8,216.56/12,323.46 = 3,772.87/x
3. Step 3: Cross multiply
   8,216.56x = 12,323.46 × 3,772.87
4. Step 4: Simplify right side
   8,216.56x = 46,494,812.53
5. Step 5: Solve for x
   x = 46,494,812.53/8,216.56
6. Step 6: Final answer
   x = 5,658.67