Finding the Fourth Proportional to 16,780.64, 23,157.83 and 9,227.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,780.64 : 23,157.83 = 9,227.25 : x
2. Step 2: Convert to fraction form
   16,780.64/23,157.83 = 9,227.25/x
3. Step 3: Cross multiply
   16,780.64x = 23,157.83 × 9,227.25
4. Step 4: Simplify right side
   16,780.64x = 213,683,109.94
5. Step 5: Solve for x
   x = 213,683,109.94/16,780.64
6. Step 6: Final answer
   x = 12,733.91