Finding the Fourth Proportional to 9,404.30, 12,968.97 and 5,626.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.30 : 12,968.97 = 5,626.86 : x
2. Step 2: Convert to fraction form
   9,404.30/12,968.97 = 5,626.86/x
3. Step 3: Cross multiply
   9,404.30x = 12,968.97 × 5,626.86
4. Step 4: Simplify right side
   9,404.30x = 72,974,578.53
5. Step 5: Solve for x
   x = 72,974,578.53/9,404.30
6. Step 6: Final answer
   x = 7,759.71