Finding the Fourth Proportional to 6,981.72, 9,627.60 and 4,859.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,981.72 : 9,627.60 = 4,859.69 : x
2. Step 2: Convert to fraction form
   6,981.72/9,627.60 = 4,859.69/x
3. Step 3: Cross multiply
   6,981.72x = 9,627.60 × 4,859.69
4. Step 4: Simplify right side
   6,981.72x = 46,787,103.31
5. Step 5: Solve for x
   x = 46,787,103.31/6,981.72
6. Step 6: Final answer
   x = 6,701.37