Finding the Fourth Proportional to 16,817.83, 23,208.12 and 9,648.95

Step by Step Solution

1. Step 1: Write the proportion equation
   16,817.83 : 23,208.12 = 9,648.95 : x
2. Step 2: Convert to fraction form
   16,817.83/23,208.12 = 9,648.95/x
3. Step 3: Cross multiply
   16,817.83x = 23,208.12 × 9,648.95
4. Step 4: Simplify right side
   16,817.83x = 223,933,873.43
5. Step 5: Solve for x
   x = 223,933,873.43/16,817.83
6. Step 6: Final answer
   x = 13,315.27