Finding the Fourth Proportional to 16,805.48, 23,190.54 and 9,250.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,805.48 : 23,190.54 = 9,250.34 : x
2. Step 2: Convert to fraction form
   16,805.48/23,190.54 = 9,250.34/x
3. Step 3: Cross multiply
   16,805.48x = 23,190.54 × 9,250.34
4. Step 4: Simplify right side
   16,805.48x = 214,520,379.78
5. Step 5: Solve for x
   x = 214,520,379.78/16,805.48
6. Step 6: Final answer
   x = 12,764.91