Finding the Fourth Proportional to 16,256.52, 22,433.70 and 9,086.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,256.52 : 22,433.70 = 9,086.55 : x
2. Step 2: Convert to fraction form
   16,256.52/22,433.70 = 9,086.55/x
3. Step 3: Cross multiply
   16,256.52x = 22,433.70 × 9,086.55
4. Step 4: Simplify right side
   16,256.52x = 203,844,936.74
5. Step 5: Solve for x
   x = 203,844,936.74/16,256.52
6. Step 6: Final answer
   x = 12,539.27