Finding the Fourth Proportional to 9,728.16, 14,589.18 and 3,152.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,728.16 : 14,589.18 = 3,152.82 : x
2. Step 2: Convert to fraction form
   9,728.16/14,589.18 = 3,152.82/x
3. Step 3: Cross multiply
   9,728.16x = 14,589.18 × 3,152.82
4. Step 4: Simplify right side
   9,728.16x = 45,997,058.49
5. Step 5: Solve for x
   x = 45,997,058.49/9,728.16
6. Step 6: Final answer
   x = 4,728.24