Finding the Fourth Proportional to 1,104.50, 1,523.90 and 711.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.50 : 1,523.90 = 711.74 : x
2. Step 2: Convert to fraction form
   1,104.50/1,523.90 = 711.74/x
3. Step 3: Cross multiply
   1,104.50x = 1,523.90 × 711.74
4. Step 4: Simplify right side
   1,104.50x = 1,084,626.18
5. Step 5: Solve for x
   x = 1,084,626.18/1,104.50
6. Step 6: Final answer
   x = 982.00