Finding the Fourth Proportional to 1,097.39, 1,514.61 and 743.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.39 : 1,514.61 = 743.31 : x
2. Step 2: Convert to fraction form
   1,097.39/1,514.61 = 743.31/x
3. Step 3: Cross multiply
   1,097.39x = 1,514.61 × 743.31
4. Step 4: Simplify right side
   1,097.39x = 1,125,824.76
5. Step 5: Solve for x
   x = 1,125,824.76/1,097.39
6. Step 6: Final answer
   x = 1,025.91