Finding the Fourth Proportional to 3,644.72, 5,467.92 and 1,047.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644.72 : 5,467.92 = 1,047.62 : x
2. Step 2: Convert to fraction form
   3,644.72/5,467.92 = 1,047.62/x
3. Step 3: Cross multiply
   3,644.72x = 5,467.92 × 1,047.62
4. Step 4: Simplify right side
   3,644.72x = 5,728,302.35
5. Step 5: Solve for x
   x = 5,728,302.35/3,644.72
6. Step 6: Final answer
   x = 1,571.67