Finding the Fourth Proportional to 2,016.69, 2,783.93 and 1,938.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.69 : 2,783.93 = 1,938.12 : x
2. Step 2: Convert to fraction form
   2,016.69/2,783.93 = 1,938.12/x
3. Step 3: Cross multiply
   2,016.69x = 2,783.93 × 1,938.12
4. Step 4: Simplify right side
   2,016.69x = 5,395,590.41
5. Step 5: Solve for x
   x = 5,395,590.41/2,016.69
6. Step 6: Final answer
   x = 2,675.47