Finding the Fourth Proportional to 3,846.56, 5,764.72 and 1,766.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.56 : 5,764.72 = 1,766.88 : x
2. Step 2: Convert to fraction form
   3,846.56/5,764.72 = 1,766.88/x
3. Step 3: Cross multiply
   3,846.56x = 5,764.72 × 1,766.88
4. Step 4: Simplify right side
   3,846.56x = 10,185,568.47
5. Step 5: Solve for x
   x = 10,185,568.47/3,846.56
6. Step 6: Final answer
   x = 2,647.97