Finding the Fourth Proportional to 16,824.84, 23,218.83 and 9,271.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,824.84 : 23,218.83 = 9,271.47 : x
2. Step 2: Convert to fraction form
   16,824.84/23,218.83 = 9,271.47/x
3. Step 3: Cross multiply
   16,824.84x = 23,218.83 × 9,271.47
4. Step 4: Simplify right side
   16,824.84x = 215,272,685.78
5. Step 5: Solve for x
   x = 215,272,685.78/16,824.84
6. Step 6: Final answer
   x = 12,794.93