Finding the Fourth Proportional to 1,441.56, 1,989.06 and 852.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.56 : 1,989.06 = 852.18 : x
2. Step 2: Convert to fraction form
   1,441.56/1,989.06 = 852.18/x
3. Step 3: Cross multiply
   1,441.56x = 1,989.06 × 852.18
4. Step 4: Simplify right side
   1,441.56x = 1,695,037.15
5. Step 5: Solve for x
   x = 1,695,037.15/1,441.56
6. Step 6: Final answer
   x = 1,175.84