Finding the Fourth Proportional to 12,738.28, 19,096.02 and 4,945.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,738.28 : 19,096.02 = 4,945.24 : x
2. Step 2: Convert to fraction form
   12,738.28/19,096.02 = 4,945.24/x
3. Step 3: Cross multiply
   12,738.28x = 19,096.02 × 4,945.24
4. Step 4: Simplify right side
   12,738.28x = 94,434,401.94
5. Step 5: Solve for x
   x = 94,434,401.94/12,738.28
6. Step 6: Final answer
   x = 7,413.43