Finding the Fourth Proportional to 4,789.10, 7,171.59 and 3,028.76

Step by Step Solution

1. Step 1: Write the proportion equation
   4,789.10 : 7,171.59 = 3,028.76 : x
2. Step 2: Convert to fraction form
   4,789.10/7,171.59 = 3,028.76/x
3. Step 3: Cross multiply
   4,789.10x = 7,171.59 × 3,028.76
4. Step 4: Simplify right side
   4,789.10x = 21,721,024.93
5. Step 5: Solve for x
   x = 21,721,024.93/4,789.10
6. Step 6: Final answer
   x = 4,535.52