Finding the Fourth Proportional to 5,109.18, 7,049.37 and 3,119.01

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109.18 : 7,049.37 = 3,119.01 : x
2. Step 2: Convert to fraction form
   5,109.18/7,049.37 = 3,119.01/x
3. Step 3: Cross multiply
   5,109.18x = 7,049.37 × 3,119.01
4. Step 4: Simplify right side
   5,109.18x = 21,987,055.52
5. Step 5: Solve for x
   x = 21,987,055.52/5,109.18
6. Step 6: Final answer
   x = 4,303.44