Finding the Fourth Proportional to 16,146, 22,282.56 and 9,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,146 : 22,282.56 = 9,072.72 : x
2. Step 2: Convert to fraction form
   16,146/22,282.56 = 9,072.72/x
3. Step 3: Cross multiply
   16,146x = 22,282.56 × 9,072.72
4. Step 4: Simplify right side
   16,146x = 202,163,427.76
5. Step 5: Solve for x
   x = 202,163,427.76/16,146
6. Step 6: Final answer
   x = 12,520.96