Finding the Fourth Proportional to 8,238.30, 12,351.58 and 3,853.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,238.30 : 12,351.58 = 3,853.37 : x
2. Step 2: Convert to fraction form
   8,238.30/12,351.58 = 3,853.37/x
3. Step 3: Cross multiply
   8,238.30x = 12,351.58 × 3,853.37
4. Step 4: Simplify right side
   8,238.30x = 47,595,146.07
5. Step 5: Solve for x
   x = 47,595,146.07/8,238.30
6. Step 6: Final answer
   x = 5,777.30