Finding the Fourth Proportional to 2,764.55, 3,818.81 and 2,567.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.55 : 3,818.81 = 2,567.72 : x
2. Step 2: Convert to fraction form
   2,764.55/3,818.81 = 2,567.72/x
3. Step 3: Cross multiply
   2,764.55x = 3,818.81 × 2,567.72
4. Step 4: Simplify right side
   2,764.55x = 9,805,650.78
5. Step 5: Solve for x
   x = 9,805,650.78/2,764.55
6. Step 6: Final answer
   x = 3,546.92