Finding the Fourth Proportional to 16,784.61, 23,163.35 and 9,231.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,784.61 : 23,163.35 = 9,231.52 : x
2. Step 2: Convert to fraction form
   16,784.61/23,163.35 = 9,231.52/x
3. Step 3: Cross multiply
   16,784.61x = 23,163.35 × 9,231.52
4. Step 4: Simplify right side
   16,784.61x = 213,832,802.89
5. Step 5: Solve for x
   x = 213,832,802.89/16,784.61
6. Step 6: Final answer
   x = 12,739.81