Finding the Fourth Proportional to 5,736.52, 7,915.89 and 3,218.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,736.52 : 7,915.89 = 3,218.27 : x
2. Step 2: Convert to fraction form
   5,736.52/7,915.89 = 3,218.27/x
3. Step 3: Cross multiply
   5,736.52x = 7,915.89 × 3,218.27
4. Step 4: Simplify right side
   5,736.52x = 25,475,443.80
5. Step 5: Solve for x
   x = 25,475,443.80/5,736.52
6. Step 6: Final answer
   x = 4,440.92