Finding the Fourth Proportional to 1,732.38, 2,596.89 and 691.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.38 : 2,596.89 = 691.62 : x
2. Step 2: Convert to fraction form
   1,732.38/2,596.89 = 691.62/x
3. Step 3: Cross multiply
   1,732.38x = 2,596.89 × 691.62
4. Step 4: Simplify right side
   1,732.38x = 1,796,061.06
5. Step 5: Solve for x
   x = 1,796,061.06/1,732.38
6. Step 6: Final answer
   x = 1,036.76