Finding the Fourth Proportional to 7,647.43, 10,552.83 and 4,289.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,647.43 : 10,552.83 = 4,289.79 : x
2. Step 2: Convert to fraction form
   7,647.43/10,552.83 = 4,289.79/x
3. Step 3: Cross multiply
   7,647.43x = 10,552.83 × 4,289.79
4. Step 4: Simplify right side
   7,647.43x = 45,269,424.61
5. Step 5: Solve for x
   x = 45,269,424.61/7,647.43
6. Step 6: Final answer
   x = 5,919.56