Finding the Fourth Proportional to 2,150.82, 3,227.04 and 852.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.82 : 3,227.04 = 852.66 : x
2. Step 2: Convert to fraction form
   2,150.82/3,227.04 = 852.66/x
3. Step 3: Cross multiply
   2,150.82x = 3,227.04 × 852.66
4. Step 4: Simplify right side
   2,150.82x = 2,751,567.93
5. Step 5: Solve for x
   x = 2,751,567.93/2,150.82
6. Step 6: Final answer
   x = 1,279.31