Finding the Fourth Proportional to 2,630.22, 3,939.68 and 1,241.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.22 : 3,939.68 = 1,241.48 : x
2. Step 2: Convert to fraction form
   2,630.22/3,939.68 = 1,241.48/x
3. Step 3: Cross multiply
   2,630.22x = 3,939.68 × 1,241.48
4. Step 4: Simplify right side
   2,630.22x = 4,891,008.02
5. Step 5: Solve for x
   x = 4,891,008.02/2,630.22
6. Step 6: Final answer
   x = 1,859.54