Finding the Fourth Proportional to 5,025.75, 7,524.55 and 3,789.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,025.75 : 7,524.55 = 3,789.28 : x
2. Step 2: Convert to fraction form
   5,025.75/7,524.55 = 3,789.28/x
3. Step 3: Cross multiply
   5,025.75x = 7,524.55 × 3,789.28
4. Step 4: Simplify right side
   5,025.75x = 28,512,626.82
5. Step 5: Solve for x
   x = 28,512,626.82/5,025.75
6. Step 6: Final answer
   x = 5,673.31