Finding the Fourth Proportional to 9,085.49, 13,628.12 and 3,162.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,085.49 : 13,628.12 = 3,162.27 : x
2. Step 2: Convert to fraction form
   9,085.49/13,628.12 = 3,162.27/x
3. Step 3: Cross multiply
   9,085.49x = 13,628.12 × 3,162.27
4. Step 4: Simplify right side
   9,085.49x = 43,095,742.02
5. Step 5: Solve for x
   x = 43,095,742.02/9,085.49
6. Step 6: Final answer
   x = 4,743.36