Finding the Fourth Proportional to 16,864.94, 23,271.85 and 9,789.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,864.94 : 23,271.85 = 9,789.98 : x
2. Step 2: Convert to fraction form
   16,864.94/23,271.85 = 9,789.98/x
3. Step 3: Cross multiply
   16,864.94x = 23,271.85 × 9,789.98
4. Step 4: Simplify right side
   16,864.94x = 227,830,946.06
5. Step 5: Solve for x
   x = 227,830,946.06/16,864.94
6. Step 6: Final answer
   x = 13,509.15