Finding the Fourth Proportional to 1,205.85, 1,673.82 and 1,176.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205.85 : 1,673.82 = 1,176.69 : x
2. Step 2: Convert to fraction form
   1,205.85/1,673.82 = 1,176.69/x
3. Step 3: Cross multiply
   1,205.85x = 1,673.82 × 1,176.69
4. Step 4: Simplify right side
   1,205.85x = 1,969,558.89
5. Step 5: Solve for x
   x = 1,969,558.89/1,205.85
6. Step 6: Final answer
   x = 1,633.34