Finding the Fourth Proportional to 7,627.96, 10,518.42 and 4,789.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,627.96 : 10,518.42 = 4,789.72 : x
2. Step 2: Convert to fraction form
   7,627.96/10,518.42 = 4,789.72/x
3. Step 3: Cross multiply
   7,627.96x = 10,518.42 × 4,789.72
4. Step 4: Simplify right side
   7,627.96x = 50,380,286.64
5. Step 5: Solve for x
   x = 50,380,286.64/7,627.96
6. Step 6: Final answer
   x = 6,604.69