Finding the Fourth Proportional to 2,200.82, 3,300.61 and 884.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.82 : 3,300.61 = 884.57 : x
2. Step 2: Convert to fraction form
   2,200.82/3,300.61 = 884.57/x
3. Step 3: Cross multiply
   2,200.82x = 3,300.61 × 884.57
4. Step 4: Simplify right side
   2,200.82x = 2,919,620.59
5. Step 5: Solve for x
   x = 2,919,620.59/2,200.82
6. Step 6: Final answer
   x = 1,326.61