Finding the Fourth Proportional to 2,016.76, 2,785.36 and 1,850.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.76 : 2,785.36 = 1,850.72 : x
2. Step 2: Convert to fraction form
   2,016.76/2,785.36 = 1,850.72/x
3. Step 3: Cross multiply
   2,016.76x = 2,785.36 × 1,850.72
4. Step 4: Simplify right side
   2,016.76x = 5,154,921.46
5. Step 5: Solve for x
   x = 5,154,921.46/2,016.76
6. Step 6: Final answer
   x = 2,556.04