Finding the Fourth Proportional to 16,900.83, 23,298.22 and 12,416.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,900.83 : 23,298.22 = 12,416.79 : x
2. Step 2: Convert to fraction form
   16,900.83/23,298.22 = 12,416.79/x
3. Step 3: Cross multiply
   16,900.83x = 23,298.22 × 12,416.79
4. Step 4: Simplify right side
   16,900.83x = 289,289,208.00
5. Step 5: Solve for x
   x = 289,289,208.00/16,900.83
6. Step 6: Final answer
   x = 17,116.86