Finding the Fourth Proportional to 12,083.92, 18,116.16 and 5,506.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,083.92 : 18,116.16 = 5,506.72 : x
2. Step 2: Convert to fraction form
   12,083.92/18,116.16 = 5,506.72/x
3. Step 3: Cross multiply
   12,083.92x = 18,116.16 × 5,506.72
4. Step 4: Simplify right side
   12,083.92x = 99,760,620.60
5. Step 5: Solve for x
   x = 99,760,620.60/12,083.92
6. Step 6: Final answer
   x = 8,255.65