Finding the Fourth Proportional to 14,049.56, 19,387.68 and 7,760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,049.56 : 19,387.68 = 7,760.72 : x
2. Step 2: Convert to fraction form
   14,049.56/19,387.68 = 7,760.72/x
3. Step 3: Cross multiply
   14,049.56x = 19,387.68 × 7,760.72
4. Step 4: Simplify right side
   14,049.56x = 150,462,355.93
5. Step 5: Solve for x
   x = 150,462,355.93/14,049.56
6. Step 6: Final answer
   x = 10,709.40