Finding the Fourth Proportional to 12,355.23, 17,048.58 and 7,049.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,355.23 : 17,048.58 = 7,049.73 : x
2. Step 2: Convert to fraction form
   12,355.23/17,048.58 = 7,049.73/x
3. Step 3: Cross multiply
   12,355.23x = 17,048.58 × 7,049.73
4. Step 4: Simplify right side
   12,355.23x = 120,187,885.88
5. Step 5: Solve for x
   x = 120,187,885.88/12,355.23
6. Step 6: Final answer
   x = 9,727.69