Finding the Fourth Proportional to 10,808.12, 16,213.10 and 3,410.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,808.12 : 16,213.10 = 3,410.60 : x
2. Step 2: Convert to fraction form
   10,808.12/16,213.10 = 3,410.60/x
3. Step 3: Cross multiply
   10,808.12x = 16,213.10 × 3,410.60
4. Step 4: Simplify right side
   10,808.12x = 55,296,300.74
5. Step 5: Solve for x
   x = 55,296,300.74/10,808.12
6. Step 6: Final answer
   x = 5,116.18