Finding the Fourth Proportional to 3,648.20, 5,034.56 and 2,076.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.20 : 5,034.56 = 2,076.30 : x
2. Step 2: Convert to fraction form
   3,648.20/5,034.56 = 2,076.30/x
3. Step 3: Cross multiply
   3,648.20x = 5,034.56 × 2,076.30
4. Step 4: Simplify right side
   3,648.20x = 10,453,246.55
5. Step 5: Solve for x
   x = 10,453,246.55/3,648.20
6. Step 6: Final answer
   x = 2,865.32