Finding the Fourth Proportional to 16,841.25, 23,240.61 and 9,288.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,841.25 : 23,240.61 = 9,288.27 : x
2. Step 2: Convert to fraction form
   16,841.25/23,240.61 = 9,288.27/x
3. Step 3: Cross multiply
   16,841.25x = 23,240.61 × 9,288.27
4. Step 4: Simplify right side
   16,841.25x = 215,865,060.64
5. Step 5: Solve for x
   x = 215,865,060.64/16,841.25
6. Step 6: Final answer
   x = 12,817.64