Finding the Fourth Proportional to 3,809.78, 5,255.95 and 2,483

Step by Step Solution

1. Step 1: Write the proportion equation
   3,809.78 : 5,255.95 = 2,483 : x
2. Step 2: Convert to fraction form
   3,809.78/5,255.95 = 2,483/x
3. Step 3: Cross multiply
   3,809.78x = 5,255.95 × 2,483
4. Step 4: Simplify right side
   3,809.78x = 13,050,523.85
5. Step 5: Solve for x
   x = 13,050,523.85/3,809.78
6. Step 6: Final answer
   x = 3,425.53