Finding the Fourth Proportional to 6,021.72, 9,033.48 and 3,419.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,021.72 : 9,033.48 = 3,419.18 : x
2. Step 2: Convert to fraction form
   6,021.72/9,033.48 = 3,419.18/x
3. Step 3: Cross multiply
   6,021.72x = 9,033.48 × 3,419.18
4. Step 4: Simplify right side
   6,021.72x = 30,887,094.15
5. Step 5: Solve for x
   x = 30,887,094.15/6,021.72
6. Step 6: Final answer
   x = 5,129.28