Finding the Fourth Proportional to 1,371.43, 2,055.78 and 884.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.43 : 2,055.78 = 884.82 : x
2. Step 2: Convert to fraction form
   1,371.43/2,055.78 = 884.82/x
3. Step 3: Cross multiply
   1,371.43x = 2,055.78 × 884.82
4. Step 4: Simplify right side
   1,371.43x = 1,819,002.97
5. Step 5: Solve for x
   x = 1,819,002.97/1,371.43
6. Step 6: Final answer
   x = 1,326.35