Finding the Fourth Proportional to 8,269.27, 12,405.93 and 4,111.23

Step by Step Solution

1. Step 1: Write the proportion equation
   8,269.27 : 12,405.93 = 4,111.23 : x
2. Step 2: Convert to fraction form
   8,269.27/12,405.93 = 4,111.23/x
3. Step 3: Cross multiply
   8,269.27x = 12,405.93 × 4,111.23
4. Step 4: Simplify right side
   8,269.27x = 51,003,662.70
5. Step 5: Solve for x
   x = 51,003,662.70/8,269.27
6. Step 6: Final answer
   x = 6,167.86