Finding the Fourth Proportional to 1,101.27, 1,519.70 and 659.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.27 : 1,519.70 = 659.41 : x
2. Step 2: Convert to fraction form
   1,101.27/1,519.70 = 659.41/x
3. Step 3: Cross multiply
   1,101.27x = 1,519.70 × 659.41
4. Step 4: Simplify right side
   1,101.27x = 1,002,110.54
5. Step 5: Solve for x
   x = 1,002,110.54/1,101.27
6. Step 6: Final answer
   x = 909.96