Finding the Fourth Proportional to 1,105.98, 1,524.39 and 756.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.98 : 1,524.39 = 756.06 : x
2. Step 2: Convert to fraction form
   1,105.98/1,524.39 = 756.06/x
3. Step 3: Cross multiply
   1,105.98x = 1,524.39 × 756.06
4. Step 4: Simplify right side
   1,105.98x = 1,152,530.30
5. Step 5: Solve for x
   x = 1,152,530.30/1,105.98
6. Step 6: Final answer
   x = 1,042.09