Finding the Fourth Proportional to 1,097.26, 1,513.56 and 724.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.26 : 1,513.56 = 724.24 : x
2. Step 2: Convert to fraction form
   1,097.26/1,513.56 = 724.24/x
3. Step 3: Cross multiply
   1,097.26x = 1,513.56 × 724.24
4. Step 4: Simplify right side
   1,097.26x = 1,096,180.69
5. Step 5: Solve for x
   x = 1,096,180.69/1,097.26
6. Step 6: Final answer
   x = 999.02