Finding the Fourth Proportional to 16,784.49, 23,162.61 and 9,230.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,784.49 : 23,162.61 = 9,230.94 : x
2. Step 2: Convert to fraction form
   16,784.49/23,162.61 = 9,230.94/x
3. Step 3: Cross multiply
   16,784.49x = 23,162.61 × 9,230.94
4. Step 4: Simplify right side
   16,784.49x = 213,812,663.15
5. Step 5: Solve for x
   x = 213,812,663.15/16,784.49
6. Step 6: Final answer
   x = 12,738.70