Finding the Fourth Proportional to 3,388.42, 5,079.39 and 1,441.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388.42 : 5,079.39 = 1,441.72 : x
2. Step 2: Convert to fraction form
   3,388.42/5,079.39 = 1,441.72/x
3. Step 3: Cross multiply
   3,388.42x = 5,079.39 × 1,441.72
4. Step 4: Simplify right side
   3,388.42x = 7,323,058.15
5. Step 5: Solve for x
   x = 7,323,058.15/3,388.42
6. Step 6: Final answer
   x = 2,161.20