Finding the Fourth Proportional to 2,016.24, 2,781 and 1,948.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.24 : 2,781 = 1,948.50 : x
2. Step 2: Convert to fraction form
   2,016.24/2,781 = 1,948.50/x
3. Step 3: Cross multiply
   2,016.24x = 2,781 × 1,948.50
4. Step 4: Simplify right side
   2,016.24x = 5,418,778.50
5. Step 5: Solve for x
   x = 5,418,778.50/2,016.24
6. Step 6: Final answer
   x = 2,687.57