Finding the Fourth Proportional to 1,016.52, 1,523.50 and 691.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.52 : 1,523.50 = 691.08 : x
2. Step 2: Convert to fraction form
   1,016.52/1,523.50 = 691.08/x
3. Step 3: Cross multiply
   1,016.52x = 1,523.50 × 691.08
4. Step 4: Simplify right side
   1,016.52x = 1,052,860.38
5. Step 5: Solve for x
   x = 1,052,860.38/1,016.52
6. Step 6: Final answer
   x = 1,035.75