Finding the Fourth Proportional to 9,870.50, 14,786.22 and 5,183.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.50 : 14,786.22 = 5,183.48 : x
2. Step 2: Convert to fraction form
   9,870.50/14,786.22 = 5,183.48/x
3. Step 3: Cross multiply
   9,870.50x = 14,786.22 × 5,183.48
4. Step 4: Simplify right side
   9,870.50x = 76,644,075.65
5. Step 5: Solve for x
   x = 76,644,075.65/9,870.50
6. Step 6: Final answer
   x = 7,764.96