Finding the Fourth Proportional to 9,766.68, 14,651.72 and 3,923.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,766.68 : 14,651.72 = 3,923.68 : x
2. Step 2: Convert to fraction form
   9,766.68/14,651.72 = 3,923.68/x
3. Step 3: Cross multiply
   9,766.68x = 14,651.72 × 3,923.68
4. Step 4: Simplify right side
   9,766.68x = 57,488,660.73
5. Step 5: Solve for x
   x = 57,488,660.73/9,766.68
6. Step 6: Final answer
   x = 5,886.20