Finding the Fourth Proportional to 1,171.33, 1,756.08 and 754.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.33 : 1,756.08 = 754.89 : x
2. Step 2: Convert to fraction form
   1,171.33/1,756.08 = 754.89/x
3. Step 3: Cross multiply
   1,171.33x = 1,756.08 × 754.89
4. Step 4: Simplify right side
   1,171.33x = 1,325,640.65
5. Step 5: Solve for x
   x = 1,325,640.65/1,171.33
6. Step 6: Final answer
   x = 1,131.74