Finding the Fourth Proportional to 1,160.86, 1,740.82 and 674.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.86 : 1,740.82 = 674.25 : x
2. Step 2: Convert to fraction form
   1,160.86/1,740.82 = 674.25/x
3. Step 3: Cross multiply
   1,160.86x = 1,740.82 × 674.25
4. Step 4: Simplify right side
   1,160.86x = 1,173,747.89
5. Step 5: Solve for x
   x = 1,173,747.89/1,160.86
6. Step 6: Final answer
   x = 1,011.10