Finding the Fourth Proportional to 2,271.63, 3,404.92 and 884.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.63 : 3,404.92 = 884.31 : x
2. Step 2: Convert to fraction form
   2,271.63/3,404.92 = 884.31/x
3. Step 3: Cross multiply
   2,271.63x = 3,404.92 × 884.31
4. Step 4: Simplify right side
   2,271.63x = 3,011,004.81
5. Step 5: Solve for x
   x = 3,011,004.81/2,271.63
6. Step 6: Final answer
   x = 1,325.48