Finding the Fourth Proportional to 2,728.71, 3,765.24 and 1,533.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.71 : 3,765.24 = 1,533.53 : x
2. Step 2: Convert to fraction form
   2,728.71/3,765.24 = 1,533.53/x
3. Step 3: Cross multiply
   2,728.71x = 3,765.24 × 1,533.53
4. Step 4: Simplify right side
   2,728.71x = 5,774,105.16
5. Step 5: Solve for x
   x = 5,774,105.16/2,728.71
6. Step 6: Final answer
   x = 2,116.06