Finding the Fourth Proportional to 1,860.94, 2,568.16 and 1,256.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860.94 : 2,568.16 = 1,256.10 : x
2. Step 2: Convert to fraction form
   1,860.94/2,568.16 = 1,256.10/x
3. Step 3: Cross multiply
   1,860.94x = 2,568.16 × 1,256.10
4. Step 4: Simplify right side
   1,860.94x = 3,225,865.78
5. Step 5: Solve for x
   x = 3,225,865.78/1,860.94
6. Step 6: Final answer
   x = 1,733.46