Finding the Fourth Proportional to 1,630.84, 2,250.52 and 884.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.84 : 2,250.52 = 884.78 : x
2. Step 2: Convert to fraction form
   1,630.84/2,250.52 = 884.78/x
3. Step 3: Cross multiply
   1,630.84x = 2,250.52 × 884.78
4. Step 4: Simplify right side
   1,630.84x = 1,991,215.09
5. Step 5: Solve for x
   x = 1,991,215.09/1,630.84
6. Step 6: Final answer
   x = 1,220.98