Finding the Fourth Proportional to 9,433.25, 13,019.48 and 5,456.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,433.25 : 13,019.48 = 5,456.78 : x
2. Step 2: Convert to fraction form
   9,433.25/13,019.48 = 5,456.78/x
3. Step 3: Cross multiply
   9,433.25x = 13,019.48 × 5,456.78
4. Step 4: Simplify right side
   9,433.25x = 71,044,345.69
5. Step 5: Solve for x
   x = 71,044,345.69/9,433.25
6. Step 6: Final answer
   x = 7,531.27