Finding the Fourth Proportional to 2,743.50, 3,786.04 and 1,916.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,743.50 : 3,786.04 = 1,916.94 : x
2. Step 2: Convert to fraction form
   2,743.50/3,786.04 = 1,916.94/x
3. Step 3: Cross multiply
   2,743.50x = 3,786.04 × 1,916.94
4. Step 4: Simplify right side
   2,743.50x = 7,257,611.52
5. Step 5: Solve for x
   x = 7,257,611.52/2,743.50
6. Step 6: Final answer
   x = 2,645.38