Finding the Fourth Proportional to 5,139.20, 7,092.06 and 3,016.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,139.20 : 7,092.06 = 3,016.02 : x
2. Step 2: Convert to fraction form
   5,139.20/7,092.06 = 3,016.02/x
3. Step 3: Cross multiply
   5,139.20x = 7,092.06 × 3,016.02
4. Step 4: Simplify right side
   5,139.20x = 21,389,794.80
5. Step 5: Solve for x
   x = 21,389,794.80/5,139.20
6. Step 6: Final answer
   x = 4,162.09