Finding the Fourth Proportional to 9,456.75, 13,050.61 and 5,208.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,456.75 : 13,050.61 = 5,208.12 : x
2. Step 2: Convert to fraction form
   9,456.75/13,050.61 = 5,208.12/x
3. Step 3: Cross multiply
   9,456.75x = 13,050.61 × 5,208.12
4. Step 4: Simplify right side
   9,456.75x = 67,969,129.93
5. Step 5: Solve for x
   x = 67,969,129.93/9,456.75
6. Step 6: Final answer
   x = 7,187.37