Finding the Fourth Proportional to 9,071.72, 13,610.06 and 3,228.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,071.72 : 13,610.06 = 3,228.92 : x
2. Step 2: Convert to fraction form
   9,071.72/13,610.06 = 3,228.92/x
3. Step 3: Cross multiply
   9,071.72x = 13,610.06 × 3,228.92
4. Step 4: Simplify right side
   9,071.72x = 43,945,794.94
5. Step 5: Solve for x
   x = 43,945,794.94/9,071.72
6. Step 6: Final answer
   x = 4,844.26