Finding the Fourth Proportional to 10,810.12, 16,216.10 and 3,412.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,810.12 : 16,216.10 = 3,412.60 : x
2. Step 2: Convert to fraction form
   10,810.12/16,216.10 = 3,412.60/x
3. Step 3: Cross multiply
   10,810.12x = 16,216.10 × 3,412.60
4. Step 4: Simplify right side
   10,810.12x = 55,339,062.86
5. Step 5: Solve for x
   x = 55,339,062.86/10,810.12
6. Step 6: Final answer
   x = 5,119.19