Finding the Fourth Proportional to 16,784.69, 23,162.40 and 9,231.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,784.69 : 23,162.40 = 9,231.02 : x
2. Step 2: Convert to fraction form
   16,784.69/23,162.40 = 9,231.02/x
3. Step 3: Cross multiply
   16,784.69x = 23,162.40 × 9,231.02
4. Step 4: Simplify right side
   16,784.69x = 213,812,461.84
5. Step 5: Solve for x
   x = 213,812,461.84/16,784.69
6. Step 6: Final answer
   x = 12,738.54