Finding the Fourth Proportional to 1,441.45, 1,989.12 and 852.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.45 : 1,989.12 = 852.04 : x
2. Step 2: Convert to fraction form
   1,441.45/1,989.12 = 852.04/x
3. Step 3: Cross multiply
   1,441.45x = 1,989.12 × 852.04
4. Step 4: Simplify right side
   1,441.45x = 1,694,809.80
5. Step 5: Solve for x
   x = 1,694,809.80/1,441.45
6. Step 6: Final answer
   x = 1,175.77