Finding the Fourth Proportional to 2,495.69, 3,743.86 and 851.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,495.69 : 3,743.86 = 851.79 : x
2. Step 2: Convert to fraction form
   2,495.69/3,743.86 = 851.79/x
3. Step 3: Cross multiply
   2,495.69x = 3,743.86 × 851.79
4. Step 4: Simplify right side
   2,495.69x = 3,188,982.51
5. Step 5: Solve for x
   x = 3,188,982.51/2,495.69
6. Step 6: Final answer
   x = 1,277.80