Finding the Fourth Proportional to 16,892.42, 23,311.53 and 9,235.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,892.42 : 23,311.53 = 9,235.71 : x
2. Step 2: Convert to fraction form
   16,892.42/23,311.53 = 9,235.71/x
3. Step 3: Cross multiply
   16,892.42x = 23,311.53 × 9,235.71
4. Step 4: Simplify right side
   16,892.42x = 215,298,530.74
5. Step 5: Solve for x
   x = 215,298,530.74/16,892.42
6. Step 6: Final answer
   x = 12,745.28