Finding the Fourth Proportional to 8,715.92, 13,073.82 and 3,521.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,715.92 : 13,073.82 = 3,521.72 : x
2. Step 2: Convert to fraction form
   8,715.92/13,073.82 = 3,521.72/x
3. Step 3: Cross multiply
   8,715.92x = 13,073.82 × 3,521.72
4. Step 4: Simplify right side
   8,715.92x = 46,042,333.37
5. Step 5: Solve for x
   x = 46,042,333.37/8,715.92
6. Step 6: Final answer
   x = 5,282.56