Finding the Fourth Proportional to 1,513.69, 2,269.82 and 539.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.69 : 2,269.82 = 539.56 : x
2. Step 2: Convert to fraction form
   1,513.69/2,269.82 = 539.56/x
3. Step 3: Cross multiply
   1,513.69x = 2,269.82 × 539.56
4. Step 4: Simplify right side
   1,513.69x = 1,224,708.27
5. Step 5: Solve for x
   x = 1,224,708.27/1,513.69
6. Step 6: Final answer
   x = 809.09