Finding the Fourth Proportional to 1,104.45, 1,523.34 and 711.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.45 : 1,523.34 = 711.29 : x
2. Step 2: Convert to fraction form
   1,104.45/1,523.34 = 711.29/x
3. Step 3: Cross multiply
   1,104.45x = 1,523.34 × 711.29
4. Step 4: Simplify right side
   1,104.45x = 1,083,528.89
5. Step 5: Solve for x
   x = 1,083,528.89/1,104.45
6. Step 6: Final answer
   x = 981.06