Finding the Fourth Proportional to 3,144.88, 4,340.56 and 1,818.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.88 : 4,340.56 = 1,818.52 : x
2. Step 2: Convert to fraction form
   3,144.88/4,340.56 = 1,818.52/x
3. Step 3: Cross multiply
   3,144.88x = 4,340.56 × 1,818.52
4. Step 4: Simplify right side
   3,144.88x = 7,893,395.17
5. Step 5: Solve for x
   x = 7,893,395.17/3,144.88
6. Step 6: Final answer
   x = 2,509.92