Finding the Fourth Proportional to 1,052.52, 1,452.06 and 659.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,052.52 : 1,452.06 = 659.28 : x
2. Step 2: Convert to fraction form
   1,052.52/1,452.06 = 659.28/x
3. Step 3: Cross multiply
   1,052.52x = 1,452.06 × 659.28
4. Step 4: Simplify right side
   1,052.52x = 957,314.12
5. Step 5: Solve for x
   x = 957,314.12/1,052.52
6. Step 6: Final answer
   x = 909.54