Finding the Fourth Proportional to 1,097.58, 1,514.76 and 704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.58 : 1,514.76 = 704.72 : x
2. Step 2: Convert to fraction form
   1,097.58/1,514.76 = 704.72/x
3. Step 3: Cross multiply
   1,097.58x = 1,514.76 × 704.72
4. Step 4: Simplify right side
   1,097.58x = 1,067,481.67
5. Step 5: Solve for x
   x = 1,067,481.67/1,097.58
6. Step 6: Final answer
   x = 972.58