Finding the Fourth Proportional to 1,104.76, 1,524.59 and 711.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.76 : 1,524.59 = 711.91 : x
2. Step 2: Convert to fraction form
   1,104.76/1,524.59 = 711.91/x
3. Step 3: Cross multiply
   1,104.76x = 1,524.59 × 711.91
4. Step 4: Simplify right side
   1,104.76x = 1,085,370.87
5. Step 5: Solve for x
   x = 1,085,370.87/1,104.76
6. Step 6: Final answer
   x = 982.45