Finding the Fourth Proportional to 6,156.31, 8,495.71 and 3,361.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,156.31 : 8,495.71 = 3,361.81 : x
2. Step 2: Convert to fraction form
   6,156.31/8,495.71 = 3,361.81/x
3. Step 3: Cross multiply
   6,156.31x = 8,495.71 × 3,361.81
4. Step 4: Simplify right side
   6,156.31x = 28,560,962.84
5. Step 5: Solve for x
   x = 28,560,962.84/6,156.31
6. Step 6: Final answer
   x = 4,639.30