Finding the Fourth Proportional to 1,933.38, 2,896.56 and 1,728.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.38 : 2,896.56 = 1,728.72 : x
2. Step 2: Convert to fraction form
   1,933.38/2,896.56 = 1,728.72/x
3. Step 3: Cross multiply
   1,933.38x = 2,896.56 × 1,728.72
4. Step 4: Simplify right side
   1,933.38x = 5,007,341.20
5. Step 5: Solve for x
   x = 5,007,341.20/1,933.38
6. Step 6: Final answer
   x = 2,589.94