Finding the Fourth Proportional to 3,618.37, 5,451.88 and 3,272.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,618.37 : 5,451.88 = 3,272.10 : x
2. Step 2: Convert to fraction form
   3,618.37/5,451.88 = 3,272.10/x
3. Step 3: Cross multiply
   3,618.37x = 5,451.88 × 3,272.10
4. Step 4: Simplify right side
   3,618.37x = 17,839,083.26
5. Step 5: Solve for x
   x = 17,839,083.26/3,618.37
6. Step 6: Final answer
   x = 4,930.14