Finding the Fourth Proportional to 2,411.25, 3,617.27 and 851.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.25 : 3,617.27 = 851.67 : x
2. Step 2: Convert to fraction form
   2,411.25/3,617.27 = 851.67/x
3. Step 3: Cross multiply
   2,411.25x = 3,617.27 × 851.67
4. Step 4: Simplify right side
   2,411.25x = 3,080,716.08
5. Step 5: Solve for x
   x = 3,080,716.08/2,411.25
6. Step 6: Final answer
   x = 1,277.64