Finding the Fourth Proportional to 1,097.43, 1,514.30 and 631.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.43 : 1,514.30 = 631.59 : x
2. Step 2: Convert to fraction form
   1,097.43/1,514.30 = 631.59/x
3. Step 3: Cross multiply
   1,097.43x = 1,514.30 × 631.59
4. Step 4: Simplify right side
   1,097.43x = 956,413.58
5. Step 5: Solve for x
   x = 956,413.58/1,097.43
6. Step 6: Final answer
   x = 871.50