Finding the Fourth Proportional to 2,928.52, 4,040.22 and 1,934.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,928.52 : 4,040.22 = 1,934.38 : x
2. Step 2: Convert to fraction form
   2,928.52/4,040.22 = 1,934.38/x
3. Step 3: Cross multiply
   2,928.52x = 4,040.22 × 1,934.38
4. Step 4: Simplify right side
   2,928.52x = 7,815,320.76
5. Step 5: Solve for x
   x = 7,815,320.76/2,928.52
6. Step 6: Final answer
   x = 2,668.69