Finding the Fourth Proportional to 16,915.37, 23,347.89 and 9,843.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,915.37 : 23,347.89 = 9,843.15 : x
2. Step 2: Convert to fraction form
   16,915.37/23,347.89 = 9,843.15/x
3. Step 3: Cross multiply
   16,915.37x = 23,347.89 × 9,843.15
4. Step 4: Simplify right side
   16,915.37x = 229,816,783.45
5. Step 5: Solve for x
   x = 229,816,783.45/16,915.37
6. Step 6: Final answer
   x = 13,586.27