Finding the Fourth Proportional to 16,690.86, 25,039.33 and 5,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,690.86 : 25,039.33 = 5,598.72 : x
2. Step 2: Convert to fraction form
   16,690.86/25,039.33 = 5,598.72/x
3. Step 3: Cross multiply
   16,690.86x = 25,039.33 × 5,598.72
4. Step 4: Simplify right side
   16,690.86x = 140,188,183.66
5. Step 5: Solve for x
   x = 140,188,183.66/16,690.86
6. Step 6: Final answer
   x = 8,399.10