Finding the Fourth Proportional to 2,053.28, 3,072.89 and 1,724.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.28 : 3,072.89 = 1,724.56 : x
2. Step 2: Convert to fraction form
   2,053.28/3,072.89 = 1,724.56/x
3. Step 3: Cross multiply
   2,053.28x = 3,072.89 × 1,724.56
4. Step 4: Simplify right side
   2,053.28x = 5,299,379.81
5. Step 5: Solve for x
   x = 5,299,379.81/2,053.28
6. Step 6: Final answer
   x = 2,580.93