Finding the Fourth Proportional to 8,081.10, 12,126.15 and 4,383.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081.10 : 12,126.15 = 4,383.18 : x
2. Step 2: Convert to fraction form
   8,081.10/12,126.15 = 4,383.18/x
3. Step 3: Cross multiply
   8,081.10x = 12,126.15 × 4,383.18
4. Step 4: Simplify right side
   8,081.10x = 53,151,098.16
5. Step 5: Solve for x
   x = 53,151,098.16/8,081.10
6. Step 6: Final answer
   x = 6,577.21