Finding the Fourth Proportional to 2,271.61, 3,406.92 and 884.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.61 : 3,406.92 = 884.98 : x
2. Step 2: Convert to fraction form
   2,271.61/3,406.92 = 884.98/x
3. Step 3: Cross multiply
   2,271.61x = 3,406.92 × 884.98
4. Step 4: Simplify right side
   2,271.61x = 3,015,056.06
5. Step 5: Solve for x
   x = 3,015,056.06/2,271.61
6. Step 6: Final answer
   x = 1,327.28