Finding the Fourth Proportional to 2,517.33, 3,776.17 and 851.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517.33 : 3,776.17 = 851.36 : x
2. Step 2: Convert to fraction form
   2,517.33/3,776.17 = 851.36/x
3. Step 3: Cross multiply
   2,517.33x = 3,776.17 × 851.36
4. Step 4: Simplify right side
   2,517.33x = 3,214,881.92
5. Step 5: Solve for x
   x = 3,214,881.92/2,517.33
6. Step 6: Final answer
   x = 1,277.10