Finding the Fourth Proportional to 8,976.75, 12,389.36 and 5,250.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,976.75 : 12,389.36 = 5,250.03 : x
2. Step 2: Convert to fraction form
   8,976.75/12,389.36 = 5,250.03/x
3. Step 3: Cross multiply
   8,976.75x = 12,389.36 × 5,250.03
4. Step 4: Simplify right side
   8,976.75x = 65,044,485.43
5. Step 5: Solve for x
   x = 65,044,485.43/8,976.75
6. Step 6: Final answer
   x = 7,245.88