Finding the Fourth Proportional to 1,271.33, 1,904.69 and 1,067.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271.33 : 1,904.69 = 1,067.21 : x
2. Step 2: Convert to fraction form
   1,271.33/1,904.69 = 1,067.21/x
3. Step 3: Cross multiply
   1,271.33x = 1,904.69 × 1,067.21
4. Step 4: Simplify right side
   1,271.33x = 2,032,689.36
5. Step 5: Solve for x
   x = 2,032,689.36/1,271.33
6. Step 6: Final answer
   x = 1,598.87