Finding the Fourth Proportional to 2,548.82, 3,818.80 and 1,379.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.82 : 3,818.80 = 1,379.63 : x
2. Step 2: Convert to fraction form
   2,548.82/3,818.80 = 1,379.63/x
3. Step 3: Cross multiply
   2,548.82x = 3,818.80 × 1,379.63
4. Step 4: Simplify right side
   2,548.82x = 5,268,511.95
5. Step 5: Solve for x
   x = 5,268,511.95/2,548.82
6. Step 6: Final answer
   x = 2,067.04