Finding the Fourth Proportional to 10,810.81, 16,216.26 and 3,019.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,810.81 : 16,216.26 = 3,019.69 : x
2. Step 2: Convert to fraction form
   10,810.81/16,216.26 = 3,019.69/x
3. Step 3: Cross multiply
   10,810.81x = 16,216.26 × 3,019.69
4. Step 4: Simplify right side
   10,810.81x = 48,968,078.16
5. Step 5: Solve for x
   x = 48,968,078.16/10,810.81
6. Step 6: Final answer
   x = 4,529.55