Finding the Fourth Proportional to 5,142.52, 7,089.76 and 4,019.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142.52 : 7,089.76 = 4,019.04 : x
2. Step 2: Convert to fraction form
   5,142.52/7,089.76 = 4,019.04/x
3. Step 3: Cross multiply
   5,142.52x = 7,089.76 × 4,019.04
4. Step 4: Simplify right side
   5,142.52x = 28,494,029.03
5. Step 5: Solve for x
   x = 28,494,029.03/5,142.52
6. Step 6: Final answer
   x = 5,540.87