Finding the Fourth Proportional to 3,128.24, 4,685.41 and 2,248.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128.24 : 4,685.41 = 2,248.10 : x
2. Step 2: Convert to fraction form
   3,128.24/4,685.41 = 2,248.10/x
3. Step 3: Cross multiply
   3,128.24x = 4,685.41 × 2,248.10
4. Step 4: Simplify right side
   3,128.24x = 10,533,270.22
5. Step 5: Solve for x
   x = 10,533,270.22/3,128.24
6. Step 6: Final answer
   x = 3,367.16