Finding the Fourth Proportional to 1,441.30, 1,988.71 and 851.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.30 : 1,988.71 = 851.94 : x
2. Step 2: Convert to fraction form
   1,441.30/1,988.71 = 851.94/x
3. Step 3: Cross multiply
   1,441.30x = 1,988.71 × 851.94
4. Step 4: Simplify right side
   1,441.30x = 1,694,261.60
5. Step 5: Solve for x
   x = 1,694,261.60/1,441.30
6. Step 6: Final answer
   x = 1,175.51