Finding the Fourth Proportional to 2,048.22, 3,076.47 and 1,228.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.22 : 3,076.47 = 1,228.05 : x
2. Step 2: Convert to fraction form
   2,048.22/3,076.47 = 1,228.05/x
3. Step 3: Cross multiply
   2,048.22x = 3,076.47 × 1,228.05
4. Step 4: Simplify right side
   2,048.22x = 3,778,058.98
5. Step 5: Solve for x
   x = 3,778,058.98/2,048.22
6. Step 6: Final answer
   x = 1,844.56