Finding the Fourth Proportional to 16,789.99, 25,183.35 and 5,103.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,789.99 : 25,183.35 = 5,103.31 : x
2. Step 2: Convert to fraction form
   16,789.99/25,183.35 = 5,103.31/x
3. Step 3: Cross multiply
   16,789.99x = 25,183.35 × 5,103.31
4. Step 4: Simplify right side
   16,789.99x = 128,518,441.89
5. Step 5: Solve for x
   x = 128,518,441.89/16,789.99
6. Step 6: Final answer
   x = 7,654.47