Finding the Fourth Proportional to 9,456.69, 13,050.99 and 5,208.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,456.69 : 13,050.99 = 5,208.53 : x
2. Step 2: Convert to fraction form
   9,456.69/13,050.99 = 5,208.53/x
3. Step 3: Cross multiply
   9,456.69x = 13,050.99 × 5,208.53
4. Step 4: Simplify right side
   9,456.69x = 67,976,407.69
5. Step 5: Solve for x
   x = 67,976,407.69/9,456.69
6. Step 6: Final answer
   x = 7,188.18