Finding the Fourth Proportional to 16,867.49, 25,300.02 and 5,180

Step by Step Solution

1. Step 1: Write the proportion equation
   16,867.49 : 25,300.02 = 5,180 : x
2. Step 2: Convert to fraction form
   16,867.49/25,300.02 = 5,180/x
3. Step 3: Cross multiply
   16,867.49x = 25,300.02 × 5,180
4. Step 4: Simplify right side
   16,867.49x = 131,054,103.60
5. Step 5: Solve for x
   x = 131,054,103.60/16,867.49
6. Step 6: Final answer
   x = 7,769.63