Finding the Fourth Proportional to 9,404.95, 12,975.39 and 5,628.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.95 : 12,975.39 = 5,628.22 : x
2. Step 2: Convert to fraction form
   9,404.95/12,975.39 = 5,628.22/x
3. Step 3: Cross multiply
   9,404.95x = 12,975.39 × 5,628.22
4. Step 4: Simplify right side
   9,404.95x = 73,028,317.07
5. Step 5: Solve for x
   x = 73,028,317.07/9,404.95
6. Step 6: Final answer
   x = 7,764.88