Finding the Fourth Proportional to 16,780.52, 23,157.05 and 9,227.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,780.52 : 23,157.05 = 9,227.34 : x
2. Step 2: Convert to fraction form
   16,780.52/23,157.05 = 9,227.34/x
3. Step 3: Cross multiply
   16,780.52x = 23,157.05 × 9,227.34
4. Step 4: Simplify right side
   16,780.52x = 213,677,927.61
5. Step 5: Solve for x
   x = 213,677,927.61/16,780.52
6. Step 6: Final answer
   x = 12,733.69