Finding the Fourth Proportional to 5,108.02, 7,049.83 and 3,119.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,108.02 : 7,049.83 = 3,119.72 : x
2. Step 2: Convert to fraction form
   5,108.02/7,049.83 = 3,119.72/x
3. Step 3: Cross multiply
   5,108.02x = 7,049.83 × 3,119.72
4. Step 4: Simplify right side
   5,108.02x = 21,993,495.65
5. Step 5: Solve for x
   x = 21,993,495.65/5,108.02
6. Step 6: Final answer
   x = 4,305.68