Finding the Fourth Proportional to 16,806.27, 25,213.05 and 5,119.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,806.27 : 25,213.05 = 5,119.18 : x
2. Step 2: Convert to fraction form
   16,806.27/25,213.05 = 5,119.18/x
3. Step 3: Cross multiply
   16,806.27x = 25,213.05 × 5,119.18
4. Step 4: Simplify right side
   16,806.27x = 129,070,141.30
5. Step 5: Solve for x
   x = 129,070,141.30/16,806.27
6. Step 6: Final answer
   x = 7,679.88