Finding the Fourth Proportional to 16,860.83, 23,269.23 and 9,308.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,860.83 : 23,269.23 = 9,308.62 : x
2. Step 2: Convert to fraction form
   16,860.83/23,269.23 = 9,308.62/x
3. Step 3: Cross multiply
   16,860.83x = 23,269.23 × 9,308.62
4. Step 4: Simplify right side
   16,860.83x = 216,604,303.42
5. Step 5: Solve for x
   x = 216,604,303.42/16,860.83
6. Step 6: Final answer
   x = 12,846.60