Finding the Fourth Proportional to 9,433.92, 13,019.40 and 5,456.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,433.92 : 13,019.40 = 5,456.28 : x
2. Step 2: Convert to fraction form
   9,433.92/13,019.40 = 5,456.28/x
3. Step 3: Cross multiply
   9,433.92x = 13,019.40 × 5,456.28
4. Step 4: Simplify right side
   9,433.92x = 71,037,491.83
5. Step 5: Solve for x
   x = 71,037,491.83/9,433.92
6. Step 6: Final answer
   x = 7,530.01