Finding the Fourth Proportional to 3,426.82, 4,728.72 and 1,934.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426.82 : 4,728.72 = 1,934.80 : x
2. Step 2: Convert to fraction form
   3,426.82/4,728.72 = 1,934.80/x
3. Step 3: Cross multiply
   3,426.82x = 4,728.72 × 1,934.80
4. Step 4: Simplify right side
   3,426.82x = 9,149,127.46
5. Step 5: Solve for x
   x = 9,149,127.46/3,426.82
6. Step 6: Final answer
   x = 2,669.86