Finding the Fourth Proportional to 2,107.38, 3,164.71 and 1,942.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107.38 : 3,164.71 = 1,942.54 : x
2. Step 2: Convert to fraction form
   2,107.38/3,164.71 = 1,942.54/x
3. Step 3: Cross multiply
   2,107.38x = 3,164.71 × 1,942.54
4. Step 4: Simplify right side
   2,107.38x = 6,147,575.76
5. Step 5: Solve for x
   x = 6,147,575.76/2,107.38
6. Step 6: Final answer
   x = 2,917.17