Finding the Fourth Proportional to 43,196.82, 64,745.82 and 18,199.41

Step by Step Solution

1. Step 1: Write the proportion equation
   43,196.82 : 64,745.82 = 18,199.41 : x
2. Step 2: Convert to fraction form
   43,196.82/64,745.82 = 18,199.41/x
3. Step 3: Cross multiply
   43,196.82x = 64,745.82 × 18,199.41
4. Step 4: Simplify right side
   43,196.82x = 1,178,335,723.97
5. Step 5: Solve for x
   x = 1,178,335,723.97/43,196.82
6. Step 6: Final answer
   x = 27,278.30