Finding the Fourth Proportional to 1,648.50, 2,274.54 and 949.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.50 : 2,274.54 = 949.88 : x
2. Step 2: Convert to fraction form
   1,648.50/2,274.54 = 949.88/x
3. Step 3: Cross multiply
   1,648.50x = 2,274.54 × 949.88
4. Step 4: Simplify right side
   1,648.50x = 2,160,540.06
5. Step 5: Solve for x
   x = 2,160,540.06/1,648.50
6. Step 6: Final answer
   x = 1,310.61