Finding the Fourth Proportional to 1,732.72, 2,576.82 and 1,678.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.72 : 2,576.82 = 1,678.04 : x
2. Step 2: Convert to fraction form
   1,732.72/2,576.82 = 1,678.04/x
3. Step 3: Cross multiply
   1,732.72x = 2,576.82 × 1,678.04
4. Step 4: Simplify right side
   1,732.72x = 4,324,007.03
5. Step 5: Solve for x
   x = 4,324,007.03/1,732.72
6. Step 6: Final answer
   x = 2,495.50