Finding the Fourth Proportional to 8,929.16, 13,388.72 and 3,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,929.16 : 13,388.72 = 3,662.72 : x
2. Step 2: Convert to fraction form
   8,929.16/13,388.72 = 3,662.72/x
3. Step 3: Cross multiply
   8,929.16x = 13,388.72 × 3,662.72
4. Step 4: Simplify right side
   8,929.16x = 49,039,132.52
5. Step 5: Solve for x
   x = 49,039,132.52/8,929.16
6. Step 6: Final answer
   x = 5,492.02