Finding the Fourth Proportional to 14,089.36, 19,443.62 and 7,716.22

Step by Step Solution

1. Step 1: Write the proportion equation
   14,089.36 : 19,443.62 = 7,716.22 : x
2. Step 2: Convert to fraction form
   14,089.36/19,443.62 = 7,716.22/x
3. Step 3: Cross multiply
   14,089.36x = 19,443.62 × 7,716.22
4. Step 4: Simplify right side
   14,089.36x = 150,031,249.52
5. Step 5: Solve for x
   x = 150,031,249.52/14,089.36
6. Step 6: Final answer
   x = 10,648.55