Finding the Fourth Proportional to 1,938.89, 2,894.27 and 1,794.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.89 : 2,894.27 = 1,794.34 : x
2. Step 2: Convert to fraction form
   1,938.89/2,894.27 = 1,794.34/x
3. Step 3: Cross multiply
   1,938.89x = 2,894.27 × 1,794.34
4. Step 4: Simplify right side
   1,938.89x = 5,193,304.43
5. Step 5: Solve for x
   x = 5,193,304.43/1,938.89
6. Step 6: Final answer
   x = 2,678.49