Finding the Fourth Proportional to 2,016.42, 2,786.26 and 1,934.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.42 : 2,786.26 = 1,934.40 : x
2. Step 2: Convert to fraction form
   2,016.42/2,786.26 = 1,934.40/x
3. Step 3: Cross multiply
   2,016.42x = 2,786.26 × 1,934.40
4. Step 4: Simplify right side
   2,016.42x = 5,389,741.34
5. Step 5: Solve for x
   x = 5,389,741.34/2,016.42
6. Step 6: Final answer
   x = 2,672.93