Finding the Fourth Proportional to 1,104.88, 1,524.42 and 712.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.88 : 1,524.42 = 712.13 : x
2. Step 2: Convert to fraction form
   1,104.88/1,524.42 = 712.13/x
3. Step 3: Cross multiply
   1,104.88x = 1,524.42 × 712.13
4. Step 4: Simplify right side
   1,104.88x = 1,085,583.31
5. Step 5: Solve for x
   x = 1,085,583.31/1,104.88
6. Step 6: Final answer
   x = 982.54