Finding the Fourth Proportional to 3,846.27, 5,770.76 and 1,249.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.27 : 5,770.76 = 1,249.20 : x
2. Step 2: Convert to fraction form
   3,846.27/5,770.76 = 1,249.20/x
3. Step 3: Cross multiply
   3,846.27x = 5,770.76 × 1,249.20
4. Step 4: Simplify right side
   3,846.27x = 7,208,827.15
5. Step 5: Solve for x
   x = 7,208,827.15/3,846.27
6. Step 6: Final answer
   x = 1,874.24