Finding the Fourth Proportional to 7,063.38, 9,747.72 and 3,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,063.38 : 9,747.72 = 3,919.50 : x
2. Step 2: Convert to fraction form
   7,063.38/9,747.72 = 3,919.50/x
3. Step 3: Cross multiply
   7,063.38x = 9,747.72 × 3,919.50
4. Step 4: Simplify right side
   7,063.38x = 38,206,188.54
5. Step 5: Solve for x
   x = 38,206,188.54/7,063.38
6. Step 6: Final answer
   x = 5,409.05