Finding the Fourth Proportional to 1,101.35, 1,519.83 and 659.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.35 : 1,519.83 = 659.03 : x
2. Step 2: Convert to fraction form
   1,101.35/1,519.83 = 659.03/x
3. Step 3: Cross multiply
   1,101.35x = 1,519.83 × 659.03
4. Step 4: Simplify right side
   1,101.35x = 1,001,605.97
5. Step 5: Solve for x
   x = 1,001,605.97/1,101.35
6. Step 6: Final answer
   x = 909.43