Finding the Fourth Proportional to 1,103.82, 1,523.10 and 711.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.82 : 1,523.10 = 711.38 : x
2. Step 2: Convert to fraction form
   1,103.82/1,523.10 = 711.38/x
3. Step 3: Cross multiply
   1,103.82x = 1,523.10 × 711.38
4. Step 4: Simplify right side
   1,103.82x = 1,083,495.26
5. Step 5: Solve for x
   x = 1,083,495.26/1,103.82
6. Step 6: Final answer
   x = 981.59