Finding the Fourth Proportional to 43,665.56, 65,443.56 and 18,676.28

Step by Step Solution

1. Step 1: Write the proportion equation
   43,665.56 : 65,443.56 = 18,676.28 : x
2. Step 2: Convert to fraction form
   43,665.56/65,443.56 = 18,676.28/x
3. Step 3: Cross multiply
   43,665.56x = 65,443.56 × 18,676.28
4. Step 4: Simplify right side
   43,665.56x = 1,222,241,923.54
5. Step 5: Solve for x
   x = 1,222,241,923.54/43,665.56
6. Step 6: Final answer
   x = 27,990.99