Finding the Fourth Proportional to 13,046.49, 18,023.72 and 9,081.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,046.49 : 18,023.72 = 9,081.27 : x
2. Step 2: Convert to fraction form
   13,046.49/18,023.72 = 9,081.27/x
3. Step 3: Cross multiply
   13,046.49x = 18,023.72 × 9,081.27
4. Step 4: Simplify right side
   13,046.49x = 163,678,222.32
5. Step 5: Solve for x
   x = 163,678,222.32/13,046.49
6. Step 6: Final answer
   x = 12,545.77