Finding the Fourth Proportional to 9,404.82, 12,975.22 and 5,628.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.82 : 12,975.22 = 5,628.09 : x
2. Step 2: Convert to fraction form
   9,404.82/12,975.22 = 5,628.09/x
3. Step 3: Cross multiply
   9,404.82x = 12,975.22 × 5,628.09
4. Step 4: Simplify right side
   9,404.82x = 73,025,705.93
5. Step 5: Solve for x
   x = 73,025,705.93/9,404.82
6. Step 6: Final answer
   x = 7,764.71