Finding the Fourth Proportional to 16,819.86, 25,196.58 and 9,782.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,819.86 : 25,196.58 = 9,782.18 : x
2. Step 2: Convert to fraction form
   16,819.86/25,196.58 = 9,782.18/x
3. Step 3: Cross multiply
   16,819.86x = 25,196.58 × 9,782.18
4. Step 4: Simplify right side
   16,819.86x = 246,477,354.96
5. Step 5: Solve for x
   x = 246,477,354.96/16,819.86
6. Step 6: Final answer
   x = 14,653.95