Finding the Fourth Proportional to 1,323.88, 1,826.69 and 851.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.88 : 1,826.69 = 851.58 : x
2. Step 2: Convert to fraction form
   1,323.88/1,826.69 = 851.58/x
3. Step 3: Cross multiply
   1,323.88x = 1,826.69 × 851.58
4. Step 4: Simplify right side
   1,323.88x = 1,555,568.41
5. Step 5: Solve for x
   x = 1,555,568.41/1,323.88
6. Step 6: Final answer
   x = 1,175.01