Finding the Fourth Proportional to 1,513.49, 2,269.02 and 691.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.49 : 2,269.02 = 691.34 : x
2. Step 2: Convert to fraction form
   1,513.49/2,269.02 = 691.34/x
3. Step 3: Cross multiply
   1,513.49x = 2,269.02 × 691.34
4. Step 4: Simplify right side
   1,513.49x = 1,568,664.29
5. Step 5: Solve for x
   x = 1,568,664.29/1,513.49
6. Step 6: Final answer
   x = 1,036.46