Finding the Fourth Proportional to 2,016.29, 2,781.05 and 1,851.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.29 : 2,781.05 = 1,851.05 : x
2. Step 2: Convert to fraction form
   2,016.29/2,781.05 = 1,851.05/x
3. Step 3: Cross multiply
   2,016.29x = 2,781.05 × 1,851.05
4. Step 4: Simplify right side
   2,016.29x = 5,147,853.32
5. Step 5: Solve for x
   x = 5,147,853.32/2,016.29
6. Step 6: Final answer
   x = 2,553.14