Finding the Fourth Proportional to 1,097.94, 1,514.54 and 698.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.94 : 1,514.54 = 698.88 : x
2. Step 2: Convert to fraction form
   1,097.94/1,514.54 = 698.88/x
3. Step 3: Cross multiply
   1,097.94x = 1,514.54 × 698.88
4. Step 4: Simplify right side
   1,097.94x = 1,058,481.72
5. Step 5: Solve for x
   x = 1,058,481.72/1,097.94
6. Step 6: Final answer
   x = 964.06