Finding the Fourth Proportional to 1,019.52, 1,527.98 and 694.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.52 : 1,527.98 = 694.08 : x
2. Step 2: Convert to fraction form
   1,019.52/1,527.98 = 694.08/x
3. Step 3: Cross multiply
   1,019.52x = 1,527.98 × 694.08
4. Step 4: Simplify right side
   1,019.52x = 1,060,540.36
5. Step 5: Solve for x
   x = 1,060,540.36/1,019.52
6. Step 6: Final answer
   x = 1,040.23