Finding the Fourth Proportional to 3,973.78, 5,483.56 and 2,481.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.78 : 5,483.56 = 2,481.61 : x
2. Step 2: Convert to fraction form
   3,973.78/5,483.56 = 2,481.61/x
3. Step 3: Cross multiply
   3,973.78x = 5,483.56 × 2,481.61
4. Step 4: Simplify right side
   3,973.78x = 13,608,057.33
5. Step 5: Solve for x
   x = 13,608,057.33/3,973.78
6. Step 6: Final answer
   x = 3,424.46