Finding the Fourth Proportional to 14,111.36, 19,474.56 and 8,144.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.36 : 19,474.56 = 8,144.12 : x
2. Step 2: Convert to fraction form
   14,111.36/19,474.56 = 8,144.12/x
3. Step 3: Cross multiply
   14,111.36x = 19,474.56 × 8,144.12
4. Step 4: Simplify right side
   14,111.36x = 158,603,153.59
5. Step 5: Solve for x
   x = 158,603,153.59/14,111.36
6. Step 6: Final answer
   x = 11,239.40