Finding the Fourth Proportional to 1,514.34, 2,269.89 and 691.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.34 : 2,269.89 = 691.38 : x
2. Step 2: Convert to fraction form
   1,514.34/2,269.89 = 691.38/x
3. Step 3: Cross multiply
   1,514.34x = 2,269.89 × 691.38
4. Step 4: Simplify right side
   1,514.34x = 1,569,356.55
5. Step 5: Solve for x
   x = 1,569,356.55/1,514.34
6. Step 6: Final answer
   x = 1,036.33