Finding the Fourth Proportional to 6,238.56, 9,355.41 and 3,117.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,238.56 : 9,355.41 = 3,117.54 : x
2. Step 2: Convert to fraction form
   6,238.56/9,355.41 = 3,117.54/x
3. Step 3: Cross multiply
   6,238.56x = 9,355.41 × 3,117.54
4. Step 4: Simplify right side
   6,238.56x = 29,165,864.89
5. Step 5: Solve for x
   x = 29,165,864.89/6,238.56
6. Step 6: Final answer
   x = 4,675.10