Finding the Fourth Proportional to 16,789.80, 25,183.62 and 5,103.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,789.80 : 25,183.62 = 5,103.12 : x
2. Step 2: Convert to fraction form
   16,789.80/25,183.62 = 5,103.12/x
3. Step 3: Cross multiply
   16,789.80x = 25,183.62 × 5,103.12
4. Step 4: Simplify right side
   16,789.80x = 128,515,034.89
5. Step 5: Solve for x
   x = 128,515,034.89/16,789.80
6. Step 6: Final answer
   x = 7,654.35