Finding the Fourth Proportional to 2,411.37, 3,614.62 and 851

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.37 : 3,614.62 = 851 : x
2. Step 2: Convert to fraction form
   2,411.37/3,614.62 = 851/x
3. Step 3: Cross multiply
   2,411.37x = 3,614.62 × 851
4. Step 4: Simplify right side
   2,411.37x = 3,076,037.37
5. Step 5: Solve for x
   x = 3,076,037.37/2,411.37
6. Step 6: Final answer
   x = 1,275.64