Finding the Fourth Proportional to 5,174.52, 7,142.22 and 3,079.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,174.52 : 7,142.22 = 3,079.32 : x
2. Step 2: Convert to fraction form
   5,174.52/7,142.22 = 3,079.32/x
3. Step 3: Cross multiply
   5,174.52x = 7,142.22 × 3,079.32
4. Step 4: Simplify right side
   5,174.52x = 21,993,180.89
5. Step 5: Solve for x
   x = 21,993,180.89/5,174.52
6. Step 6: Final answer
   x = 4,250.28