Finding the Fourth Proportional to 1,559.94, 2,152.62 and 851.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.94 : 2,152.62 = 851.73 : x
2. Step 2: Convert to fraction form
   1,559.94/2,152.62 = 851.73/x
3. Step 3: Cross multiply
   1,559.94x = 2,152.62 × 851.73
4. Step 4: Simplify right side
   1,559.94x = 1,833,451.03
5. Step 5: Solve for x
   x = 1,833,451.03/1,559.94
6. Step 6: Final answer
   x = 1,175.33