Finding the Fourth Proportional to 4,018.47, 5,541.78 and 2,757.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,018.47 : 5,541.78 = 2,757.30 : x
2. Step 2: Convert to fraction form
   4,018.47/5,541.78 = 2,757.30/x
3. Step 3: Cross multiply
   4,018.47x = 5,541.78 × 2,757.30
4. Step 4: Simplify right side
   4,018.47x = 15,280,339.55
5. Step 5: Solve for x
   x = 15,280,339.55/4,018.47
6. Step 6: Final answer
   x = 3,802.53