Finding the Fourth Proportional to 6,111.36, 8,441.28 and 6,019.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.36 : 8,441.28 = 6,019.20 : x
2. Step 2: Convert to fraction form
   6,111.36/8,441.28 = 6,019.20/x
3. Step 3: Cross multiply
   6,111.36x = 8,441.28 × 6,019.20
4. Step 4: Simplify right side
   6,111.36x = 50,809,752.58
5. Step 5: Solve for x
   x = 50,809,752.58/6,111.36
6. Step 6: Final answer
   x = 8,313.98