Finding the Fourth Proportional to 16,998, 25,499.16 and 4,686

Step by Step Solution

1. Step 1: Write the proportion equation
   16,998 : 25,499.16 = 4,686 : x
2. Step 2: Convert to fraction form
   16,998/25,499.16 = 4,686/x
3. Step 3: Cross multiply
   16,998x = 25,499.16 × 4,686
4. Step 4: Simplify right side
   16,998x = 119,489,063.76
5. Step 5: Solve for x
   x = 119,489,063.76/16,998
6. Step 6: Final answer
   x = 7,029.60