Finding the Fourth Proportional to 2,270.30, 3,406.34 and 884.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.30 : 3,406.34 = 884.05 : x
2. Step 2: Convert to fraction form
   2,270.30/3,406.34 = 884.05/x
3. Step 3: Cross multiply
   2,270.30x = 3,406.34 × 884.05
4. Step 4: Simplify right side
   2,270.30x = 3,011,368.57
5. Step 5: Solve for x
   x = 3,011,368.57/2,270.30
6. Step 6: Final answer
   x = 1,326.42