Finding the Fourth Proportional to 2,150.69, 3,227.51 and 852.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.69 : 3,227.51 = 852.26 : x
2. Step 2: Convert to fraction form
   2,150.69/3,227.51 = 852.26/x
3. Step 3: Cross multiply
   2,150.69x = 3,227.51 × 852.26
4. Step 4: Simplify right side
   2,150.69x = 2,750,663.67
5. Step 5: Solve for x
   x = 2,750,663.67/2,150.69
6. Step 6: Final answer
   x = 1,278.97