Finding the Fourth Proportional to 8,238.19, 12,355.43 and 3,791.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,238.19 : 12,355.43 = 3,791.59 : x
2. Step 2: Convert to fraction form
   8,238.19/12,355.43 = 3,791.59/x
3. Step 3: Cross multiply
   8,238.19x = 12,355.43 × 3,791.59
4. Step 4: Simplify right side
   8,238.19x = 46,846,644.10
5. Step 5: Solve for x
   x = 46,846,644.10/8,238.19
6. Step 6: Final answer
   x = 5,686.52