Finding the Fourth Proportional to 4,728.72, 7,092.18 and 1,441.32

Step by Step Solution

1. Step 1: Write the proportion equation
   4,728.72 : 7,092.18 = 1,441.32 : x
2. Step 2: Convert to fraction form
   4,728.72/7,092.18 = 1,441.32/x
3. Step 3: Cross multiply
   4,728.72x = 7,092.18 × 1,441.32
4. Step 4: Simplify right side
   4,728.72x = 10,222,100.88
5. Step 5: Solve for x
   x = 10,222,100.88/4,728.72
6. Step 6: Final answer
   x = 2,161.71