Finding the Fourth Proportional to 13,067.82, 19,588.30 and 5,167.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,067.82 : 19,588.30 = 5,167.12 : x
2. Step 2: Convert to fraction form
   13,067.82/19,588.30 = 5,167.12/x
3. Step 3: Cross multiply
   13,067.82x = 19,588.30 × 5,167.12
4. Step 4: Simplify right side
   13,067.82x = 101,215,096.70
5. Step 5: Solve for x
   x = 101,215,096.70/13,067.82
6. Step 6: Final answer
   x = 7,745.37