Finding the Fourth Proportional to 1,053.18, 1,452.78 and 659.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.18 : 1,452.78 = 659.52 : x
2. Step 2: Convert to fraction form
   1,053.18/1,452.78 = 659.52/x
3. Step 3: Cross multiply
   1,053.18x = 1,452.78 × 659.52
4. Step 4: Simplify right side
   1,053.18x = 958,137.47
5. Step 5: Solve for x
   x = 958,137.47/1,053.18
6. Step 6: Final answer
   x = 909.76