Finding the Fourth Proportional to 1,168.05, 1,609.56 and 852.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.05 : 1,609.56 = 852.69 : x
2. Step 2: Convert to fraction form
   1,168.05/1,609.56 = 852.69/x
3. Step 3: Cross multiply
   1,168.05x = 1,609.56 × 852.69
4. Step 4: Simplify right side
   1,168.05x = 1,372,455.72
5. Step 5: Solve for x
   x = 1,372,455.72/1,168.05
6. Step 6: Final answer
   x = 1,175.00