Finding the Fourth Proportional to 14,101.34, 19,459.83 and 7,728.33

Step by Step Solution

1. Step 1: Write the proportion equation
   14,101.34 : 19,459.83 = 7,728.33 : x
2. Step 2: Convert to fraction form
   14,101.34/19,459.83 = 7,728.33/x
3. Step 3: Cross multiply
   14,101.34x = 19,459.83 × 7,728.33
4. Step 4: Simplify right side
   14,101.34x = 150,392,089.94
5. Step 5: Solve for x
   x = 150,392,089.94/14,101.34
6. Step 6: Final answer
   x = 10,665.09