Finding the Fourth Proportional to 1,441.46, 1,989.22 and 852.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.46 : 1,989.22 = 852.28 : x
2. Step 2: Convert to fraction form
   1,441.46/1,989.22 = 852.28/x
3. Step 3: Cross multiply
   1,441.46x = 1,989.22 × 852.28
4. Step 4: Simplify right side
   1,441.46x = 1,695,372.42
5. Step 5: Solve for x
   x = 1,695,372.42/1,441.46
6. Step 6: Final answer
   x = 1,176.15