Finding the Fourth Proportional to 1,101.24, 1,520.16 and 659.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.24 : 1,520.16 = 659.52 : x
2. Step 2: Convert to fraction form
   1,101.24/1,520.16 = 659.52/x
3. Step 3: Cross multiply
   1,101.24x = 1,520.16 × 659.52
4. Step 4: Simplify right side
   1,101.24x = 1,002,575.92
5. Step 5: Solve for x
   x = 1,002,575.92/1,101.24
6. Step 6: Final answer
   x = 910.41