Finding the Fourth Proportional to 6,061.28, 9,073.20 and 3,389.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,061.28 : 9,073.20 = 3,389.10 : x
2. Step 2: Convert to fraction form
   6,061.28/9,073.20 = 3,389.10/x
3. Step 3: Cross multiply
   6,061.28x = 9,073.20 × 3,389.10
4. Step 4: Simplify right side
   6,061.28x = 30,749,982.12
5. Step 5: Solve for x
   x = 30,749,982.12/6,061.28
6. Step 6: Final answer
   x = 5,073.18