Finding the Fourth Proportional to 2,641.04, 3,959.97 and 1,818.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.04 : 3,959.97 = 1,818.42 : x
2. Step 2: Convert to fraction form
   2,641.04/3,959.97 = 1,818.42/x
3. Step 3: Cross multiply
   2,641.04x = 3,959.97 × 1,818.42
4. Step 4: Simplify right side
   2,641.04x = 7,200,866.98
5. Step 5: Solve for x
   x = 7,200,866.98/2,641.04
6. Step 6: Final answer
   x = 2,726.53