Finding the Fourth Proportional to 2,766.54, 4,152 and 1,379.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.54 : 4,152 = 1,379.82 : x
2. Step 2: Convert to fraction form
   2,766.54/4,152 = 1,379.82/x
3. Step 3: Cross multiply
   2,766.54x = 4,152 × 1,379.82
4. Step 4: Simplify right side
   2,766.54x = 5,729,012.64
5. Step 5: Solve for x
   x = 5,729,012.64/2,766.54
6. Step 6: Final answer
   x = 2,070.82