Finding the Fourth Proportional to 9,071.94, 13,613.76 and 3,228.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,071.94 : 13,613.76 = 3,228.60 : x
2. Step 2: Convert to fraction form
   9,071.94/13,613.76 = 3,228.60/x
3. Step 3: Cross multiply
   9,071.94x = 13,613.76 × 3,228.60
4. Step 4: Simplify right side
   9,071.94x = 43,953,385.54
5. Step 5: Solve for x
   x = 43,953,385.54/9,071.94
6. Step 6: Final answer
   x = 4,844.98