Finding the Fourth Proportional to 16,764.82, 23,135.42 and 9,211.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,764.82 : 23,135.42 = 9,211.34 : x
2. Step 2: Convert to fraction form
   16,764.82/23,135.42 = 9,211.34/x
3. Step 3: Cross multiply
   16,764.82x = 23,135.42 × 9,211.34
4. Step 4: Simplify right side
   16,764.82x = 213,108,300.53
5. Step 5: Solve for x
   x = 213,108,300.53/16,764.82
6. Step 6: Final answer
   x = 12,711.64