Finding the Fourth Proportional to 14,019.72, 19,346.88 and 7,732.20

Step by Step Solution

1. Step 1: Write the proportion equation
   14,019.72 : 19,346.88 = 7,732.20 : x
2. Step 2: Convert to fraction form
   14,019.72/19,346.88 = 7,732.20/x
3. Step 3: Cross multiply
   14,019.72x = 19,346.88 × 7,732.20
4. Step 4: Simplify right side
   14,019.72x = 149,593,945.54
5. Step 5: Solve for x
   x = 149,593,945.54/14,019.72
6. Step 6: Final answer
   x = 10,670.25