Finding the Fourth Proportional to 1,630.34, 2,249.83 and 884.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.34 : 2,249.83 = 884.28 : x
2. Step 2: Convert to fraction form
   1,630.34/2,249.83 = 884.28/x
3. Step 3: Cross multiply
   1,630.34x = 2,249.83 × 884.28
4. Step 4: Simplify right side
   1,630.34x = 1,989,479.67
5. Step 5: Solve for x
   x = 1,989,479.67/1,630.34
6. Step 6: Final answer
   x = 1,220.29