Finding the Fourth Proportional to 3,823.25, 5,281.16 and 2,642.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,823.25 : 5,281.16 = 2,642.27 : x
2. Step 2: Convert to fraction form
   3,823.25/5,281.16 = 2,642.27/x
3. Step 3: Cross multiply
   3,823.25x = 5,281.16 × 2,642.27
4. Step 4: Simplify right side
   3,823.25x = 13,954,211.02
5. Step 5: Solve for x
   x = 13,954,211.02/3,823.25
6. Step 6: Final answer
   x = 3,649.83