Finding the Fourth Proportional to 16,254.96, 22,431.57 and 9,085.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,254.96 : 22,431.57 = 9,085.05 : x
2. Step 2: Convert to fraction form
   16,254.96/22,431.57 = 9,085.05/x
3. Step 3: Cross multiply
   16,254.96x = 22,431.57 × 9,085.05
4. Step 4: Simplify right side
   16,254.96x = 203,791,935.03
5. Step 5: Solve for x
   x = 203,791,935.03/16,254.96
6. Step 6: Final answer
   x = 12,537.22