Finding the Fourth Proportional to 3,745.68, 5,621.76 and 2,448.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,745.68 : 5,621.76 = 2,448.72 : x
2. Step 2: Convert to fraction form
   3,745.68/5,621.76 = 2,448.72/x
3. Step 3: Cross multiply
   3,745.68x = 5,621.76 × 2,448.72
4. Step 4: Simplify right side
   3,745.68x = 13,766,116.15
5. Step 5: Solve for x
   x = 13,766,116.15/3,745.68
6. Step 6: Final answer
   x = 3,675.20