Finding the Fourth Proportional to 16,255.34, 22,432.10 and 9,085.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,255.34 : 22,432.10 = 9,085.42 : x
2. Step 2: Convert to fraction form
   16,255.34/22,432.10 = 9,085.42/x
3. Step 3: Cross multiply
   16,255.34x = 22,432.10 × 9,085.42
4. Step 4: Simplify right side
   16,255.34x = 203,804,948.47
5. Step 5: Solve for x
   x = 203,804,948.47/16,255.34
6. Step 6: Final answer
   x = 12,537.73