Finding the Fourth Proportional to 1,857.89, 2,562.81 and 1,260.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,857.89 : 2,562.81 = 1,260.41 : x
2. Step 2: Convert to fraction form
   1,857.89/2,562.81 = 1,260.41/x
3. Step 3: Cross multiply
   1,857.89x = 2,562.81 × 1,260.41
4. Step 4: Simplify right side
   1,857.89x = 3,230,198.86
5. Step 5: Solve for x
   x = 3,230,198.86/1,857.89
6. Step 6: Final answer
   x = 1,738.64