Finding the Fourth Proportional to 1,098.54, 1,514.25 and 704.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098.54 : 1,514.25 = 704.88 : x
2. Step 2: Convert to fraction form
   1,098.54/1,514.25 = 704.88/x
3. Step 3: Cross multiply
   1,098.54x = 1,514.25 × 704.88
4. Step 4: Simplify right side
   1,098.54x = 1,067,364.54
5. Step 5: Solve for x
   x = 1,067,364.54/1,098.54
6. Step 6: Final answer
   x = 971.62