Finding the Fourth Proportional to 1,871.42, 2,806.52 and 884.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871.42 : 2,806.52 = 884.09 : x
2. Step 2: Convert to fraction form
   1,871.42/2,806.52 = 884.09/x
3. Step 3: Cross multiply
   1,871.42x = 2,806.52 × 884.09
4. Step 4: Simplify right side
   1,871.42x = 2,481,218.86
5. Step 5: Solve for x
   x = 2,481,218.86/1,871.42
6. Step 6: Final answer
   x = 1,325.85