Finding the Fourth Proportional to 1,942.42, 2,894.88 and 1,939.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.42 : 2,894.88 = 1,939.33 : x
2. Step 2: Convert to fraction form
   1,942.42/2,894.88 = 1,939.33/x
3. Step 3: Cross multiply
   1,942.42x = 2,894.88 × 1,939.33
4. Step 4: Simplify right side
   1,942.42x = 5,614,120.39
5. Step 5: Solve for x
   x = 5,614,120.39/1,942.42
6. Step 6: Final answer
   x = 2,890.27