Finding the Fourth Proportional to 8,111.85, 12,150.86 and 4,204.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.85 : 12,150.86 = 4,204.41 : x
2. Step 2: Convert to fraction form
   8,111.85/12,150.86 = 4,204.41/x
3. Step 3: Cross multiply
   8,111.85x = 12,150.86 × 4,204.41
4. Step 4: Simplify right side
   8,111.85x = 51,087,176.27
5. Step 5: Solve for x
   x = 51,087,176.27/8,111.85
6. Step 6: Final answer
   x = 6,297.85