Finding the Fourth Proportional to 3,642.48, 5,456.28 and 3,372.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.48 : 5,456.28 = 3,372.72 : x
2. Step 2: Convert to fraction form
   3,642.48/5,456.28 = 3,372.72/x
3. Step 3: Cross multiply
   3,642.48x = 5,456.28 × 3,372.72
4. Step 4: Simplify right side
   3,642.48x = 18,402,504.68
5. Step 5: Solve for x
   x = 18,402,504.68/3,642.48
6. Step 6: Final answer
   x = 5,052.19