Finding the Fourth Proportional to 1,951.31, 2,692.81 and 1,067.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,951.31 : 2,692.81 = 1,067.12 : x
2. Step 2: Convert to fraction form
   1,951.31/2,692.81 = 1,067.12/x
3. Step 3: Cross multiply
   1,951.31x = 2,692.81 × 1,067.12
4. Step 4: Simplify right side
   1,951.31x = 2,873,564.52
5. Step 5: Solve for x
   x = 2,873,564.52/1,951.31
6. Step 6: Final answer
   x = 1,472.63