Finding the Fourth Proportional to 3,499.38, 5,218.20 and 3,327.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499.38 : 5,218.20 = 3,327.12 : x
2. Step 2: Convert to fraction form
   3,499.38/5,218.20 = 3,327.12/x
3. Step 3: Cross multiply
   3,499.38x = 5,218.20 × 3,327.12
4. Step 4: Simplify right side
   3,499.38x = 17,361,577.58
5. Step 5: Solve for x
   x = 17,361,577.58/3,499.38
6. Step 6: Final answer
   x = 4,961.33