Finding the Fourth Proportional to 6,155.81, 8,495.03 and 3,361.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,155.81 : 8,495.03 = 3,361.31 : x
2. Step 2: Convert to fraction form
   6,155.81/8,495.03 = 3,361.31/x
3. Step 3: Cross multiply
   6,155.81x = 8,495.03 × 3,361.31
4. Step 4: Simplify right side
   6,155.81x = 28,554,433.72
5. Step 5: Solve for x
   x = 28,554,433.72/6,155.81
6. Step 6: Final answer
   x = 4,638.61